diff --git a/src/as/com/threerings/io/Streamer.as b/src/as/com/threerings/io/Streamer.as
index 94fb8b77c..e151236ba 100644
--- a/src/as/com/threerings/io/Streamer.as
+++ b/src/as/com/threerings/io/Streamer.as
@@ -99,16 +99,7 @@ public class Streamer
     public function writeObject (obj :Object, out :ObjectOutputStream) :void
         //throws IOError
     {
-        trace("TODO");
-
-        if (obj is Array) {
-            trace("Arrays not yet done. Crap!");
-            /**
-            var arr :Array = Array(obj); // not strictly necessary
-            var length :int = arr.length;
-            out.writeInt(length);
-            */
-        }
+        throw new Error("Abstract");
     }
 
     public function createObject (ins :ObjectInputStream) :Object
@@ -121,7 +112,7 @@ public class Streamer
     public function readObject (obj :Object, ins :ObjectInputStream) :void
         //throws IOError
     {
-        trace("TODO");
+        throw new Error("Abstract");
     }
 
     /**
diff --git a/src/as/com/threerings/io/TypedArray.as b/src/as/com/threerings/io/TypedArray.as
index 60761b657..0c9ebc53b 100644
--- a/src/as/com/threerings/io/TypedArray.as
+++ b/src/as/com/threerings/io/TypedArray.as
@@ -1,10 +1,15 @@
 package com.threerings.io {
 
+import com.threerings.presents.Log;
+
 public dynamic class TypedArray extends Array
 {
     public function TypedArray (jtype :String)
     {
         _jtype = jtype;
+        if (_jtype == "" || _jtype == null) {
+            Log.info("Created a typed array with bogus type {" + _jtype + "}");
+        }
     }
 
     public function getJavaType () :String
diff --git a/src/as/com/threerings/io/streamers/ArrayStreamer.as b/src/as/com/threerings/io/streamers/ArrayStreamer.as
index 8e5023dfe..318fb7095 100644
--- a/src/as/com/threerings/io/streamers/ArrayStreamer.as
+++ b/src/as/com/threerings/io/streamers/ArrayStreamer.as
@@ -16,6 +16,7 @@ public class ArrayStreamer extends Streamer
 {
     public function ArrayStreamer (jname :String)
     {
+        Log.debug("Created an array streamer for type: {" + jname + "}");
         super(TypedArray, jname);
 
         if (jname.charAt(1) === "[") {
diff --git a/src/as/com/threerings/presents/client/Client.as b/src/as/com/threerings/presents/client/Client.as
index 91745f2a6..b7c73e704 100644
--- a/src/as/com/threerings/presents/client/Client.as
+++ b/src/as/com/threerings/presents/client/Client.as
@@ -253,7 +253,7 @@ public class Client extends EventDispatcher
      */
     public function gotPong (pong :PongResponse) :void
     {
-        // TODO: compute time delta bowl-shit
+        // TODO: compute time delta?
     }
 
     /**
diff --git a/src/as/com/threerings/presents/client/ClientDObjectMgr.as b/src/as/com/threerings/presents/client/ClientDObjectMgr.as
index 8c3427546..b519b9fd7 100644
--- a/src/as/com/threerings/presents/client/ClientDObjectMgr.as
+++ b/src/as/com/threerings/presents/client/ClientDObjectMgr.as
@@ -78,7 +78,7 @@ public class ClientDObjectMgr
 
         _actionInterval = new Timer(500); //TODO!
         _actionInterval.addEventListener(TimerEvent.TIMER, processNextAction);
-        _actionInterval.start();
+        //_actionInterval.start();
     }
 
     // documentation inherited from interface DObjectManager
@@ -117,6 +117,7 @@ public class ClientDObjectMgr
     {
         // queue up an action
         _actions.push(new ObjectAction(oid, target, subscribe));
+        _actionInterval.start();
     }
 
     // inherit documentation from the interface
@@ -180,6 +181,7 @@ public class ClientDObjectMgr
     {
         // append it to our queue
         _actions.push(msg);
+        _actionInterval.start();
     }
 
     /**
@@ -190,6 +192,7 @@ public class ClientDObjectMgr
     {
         // process the next event on our queue
         if (_actions.length == 0) {
+            _actionInterval.stop();
             return;
         }
 
@@ -411,7 +414,7 @@ public class ClientDObjectMgr
      * Called periodically to flush any objects that have been lingering
      * due to a previously enacted flush delay.
      */
-    protected function flushObjects () :void
+    protected function flushObjects (event :TimerEvent) :void
     {
         var now :Number = new Date().getTime();
         for (var oid :String in _flushes.keys()) {
diff --git a/src/as/com/threerings/presents/client/Communicator.as b/src/as/com/threerings/presents/client/Communicator.as
index c36194716..bd7a74faa 100644
--- a/src/as/com/threerings/presents/client/Communicator.as
+++ b/src/as/com/threerings/presents/client/Communicator.as
@@ -102,7 +102,7 @@ public class Communicator
         // write the message (ends up in _outBuffer)
         _outStream.writeObject(msg);
 
-        Log.debug("outBuffer: " + Util.bytesToString(_outBuffer));
+//        Log.debug("outBuffer: " + Util.bytesToString(_outBuffer));
 
         // Frame it by writing the length, then the bytes.
         // We add 4 to the length, because the length is of the entire frame
diff --git a/src/as/com/threerings/presents/client/InvocationDirector.as b/src/as/com/threerings/presents/client/InvocationDirector.as
index 6b8f95b4a..e9ae485e7 100644
--- a/src/as/com/threerings/presents/client/InvocationDirector.as
+++ b/src/as/com/threerings/presents/client/InvocationDirector.as
@@ -114,7 +114,9 @@ public class InvocationDirector
     {
         _clobj.startTransaction();
         try {
-            for each (var decoder :InvocationDecoder in _reclist) {
+            for (var itr :IViewCursor = _reclist.getCursor(); itr.moveNext(); ) {
+                var decoder :InvocationDecoder =
+                    (itr.current as InvocationDecoder);
                 assignReceiverId(decoder);
             }
         } finally {
diff --git a/src/as/com/threerings/presents/client/TestClient.as b/src/as/com/threerings/presents/client/TestClient.as
index f17e094c6..5acc33338 100644
--- a/src/as/com/threerings/presents/client/TestClient.as
+++ b/src/as/com/threerings/presents/client/TestClient.as
@@ -17,7 +17,7 @@ public class TestClient extends Client
 
         var g1 :String = null;
         var g2 :String = String(g1);
-        Log.debug("foo: " + (g1 === g2));
+        Log.debug("foo: " + (g1 === g2) + ", *" + g2 + "*, " + g2.length);
 
         var duckie :Duck = new Goose();
         duckie.screw();
@@ -92,10 +92,6 @@ public class TestClient extends Client
     {
         var i :int = TimeBaseMarshaller.GET_TIME_OID;
     }
-
-    public function b () :void
-    {
-    }
 }
 }
 
@@ -114,7 +110,7 @@ class HelperClass
     public function HelperClass (cli :TestClient)
     {
         _cli = cli;
-        _cli.b();
+        //_cli.b();
     }
 
     public function hype () :void
diff --git a/src/as/com/threerings/presents/dobj/AttributeChangedEvent.as b/src/as/com/threerings/presents/dobj/AttributeChangedEvent.as
index acd800b9b..53e3c06fd 100644
--- a/src/as/com/threerings/presents/dobj/AttributeChangedEvent.as
+++ b/src/as/com/threerings/presents/dobj/AttributeChangedEvent.as
@@ -2,6 +2,9 @@ package com.threerings.presents.dobj {
 
 import flash.util.StringBuilder;
 
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+
 /**
  * An attribute changed event is dispatched when a single attribute of a
  * distributed object has changed. It can also be constructed to request
@@ -60,7 +63,8 @@ public class AttributeChangedEvent extends NamedEvent
      * used).
      */
     public function AttributeChangedEvent (
-            targetOid :int, name :String, value :Object, oldValue :Object)
+            targetOid :int = 0, name :String = null, value :Object = null,
+            oldValue :Object = null)
     {
         super(targetOid, name);
         _value = value;
@@ -83,6 +87,18 @@ public class AttributeChangedEvent extends NamedEvent
         buf.append(", value=", _value);
     }
 
+    public override function writeObject (out :ObjectOutputStream) :void
+    {
+        super.writeObject(out);
+        out.writeObject(_value);
+    }
+
+    public override function readObject (ins :ObjectInputStream) :void
+    {
+        super.readObject(ins);
+        _value = ins.readObject();
+    }
+
     protected var _value :Object;
     protected var _oldValue :Object = UNSET_OLD_ENTRY;
 }
diff --git a/src/as/com/threerings/presents/dobj/DEvent.as b/src/as/com/threerings/presents/dobj/DEvent.as
index 9672ad752..3bf7ee934 100644
--- a/src/as/com/threerings/presents/dobj/DEvent.as
+++ b/src/as/com/threerings/presents/dobj/DEvent.as
@@ -16,6 +16,8 @@ public /* abstract */ class DEvent
     public function DEvent (targetOid :int)
     {
         _toid = targetOid;
+
+        //Log.debug("unset old = " + UNSET_OLD_ENTRY);
     }
 
     /**
@@ -126,18 +128,31 @@ public /* abstract */ class DEvent
 }
 }
 
-class DummyEntry implements com.threerings.presents.dobj.DSetEntry
+/*
+import com.threerings.presents.dobj.DSetEntry;
+
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+
+class DummyEntry implements DSetEntry
 {
+    public function DummyEntry ()
+    {
+    }
+
     public function getKey () :Object
     {
-        return null;
+        return null; // dummy
     }
 
-    public function writeObject (out :com.threerings.io.ObjectOutputStream) :void
+    public function writeObject (out :ObjectOutputStream) :void
     {
+        // dummy
     }
 
-    public function readObject (ins :com.threerings.io.ObjectInputStream) :void
+    public function readObject (ins :ObjectInputStream) :void
     {
+        // dummy
     }
 }
+*/
diff --git a/src/as/com/threerings/presents/dobj/DObject.as b/src/as/com/threerings/presents/dobj/DObject.as
index eaea8684b..2d4522d8a 100644
--- a/src/as/com/threerings/presents/dobj/DObject.as
+++ b/src/as/com/threerings/presents/dobj/DObject.as
@@ -92,7 +92,7 @@ public class DObject // extends EventDispatcher
                 event.friendNotifyListener(listener);
 
                 if (listener is EventListener) {
-                    listener.eventReceived(event);
+                    (listener as EventListener).eventReceived(event);
                 }
             } catch (e :Error) {
                 Log.warning("Listener choked during notification " +
@@ -117,7 +117,6 @@ public class DObject // extends EventDispatcher
             Log.warning("Unable to post event, object has no omgr " +
                 "[oid=" + getOid() + ", class=" + ClassUtil.getClassName(this) +
                 ", event=" + event + "].");
-            
         }
     }
 
diff --git a/src/as/com/threerings/presents/dobj/DSet.as b/src/as/com/threerings/presents/dobj/DSet.as
index 84075d989..9a6be86fb 100644
--- a/src/as/com/threerings/presents/dobj/DSet.as
+++ b/src/as/com/threerings/presents/dobj/DSet.as
@@ -11,6 +11,7 @@ import com.threerings.util.Equalable;
 import com.threerings.io.ObjectInputStream;
 import com.threerings.io.ObjectOutputStream;
 import com.threerings.io.Streamable;
+import com.threerings.io.TypedArray;
 
 import com.threerings.presents.Log;
 
@@ -241,7 +242,7 @@ public class DSet
             return (key as Equalable).equals(otherKey);
 
         } else {
-            throw new Error("Element key is neither simple or Equalabe");
+            throw new Error("Element key is neither simple or Equalable");
         }
     }
 
@@ -266,11 +267,12 @@ public class DSet
     // documentation inherited from interface Streamable
     public function readObject (ins :ObjectInputStream) :void
     {
-        _entries = (ins.readObject() as Array);
+        _entries = (ins.readObject() as TypedArray);
         _entries.length = ins.readInt(); // then read the length and limit it
     }
 
     /** The entries of the set (in a sparse array). */
-    protected var _entries :Array;
+    protected var _entries :TypedArray =
+        new TypedArray("[Lcom.threerings.presents.dobj.DSet$Entry;");
 }
 }
diff --git a/src/as/com/threerings/presents/dobj/DummyEntry.as b/src/as/com/threerings/presents/dobj/DummyEntry.as
new file mode 100644
index 000000000..f4d94a9c9
--- /dev/null
+++ b/src/as/com/threerings/presents/dobj/DummyEntry.as
@@ -0,0 +1,31 @@
+package com.threerings.presents.dobj {
+
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+
+public class DummyEntry
+    implements DSetEntry
+{
+    public function DummyEntry ()
+    {
+    }
+
+    // documentation inherited from interface DSetEntry
+    public function getKey () :Object
+    {
+        return null; // dummy
+    }
+
+    // documentation inherited from superinterface Streamable
+    public function writeObject (out :ObjectOutputStream) :void
+    {
+        // dummy
+    }
+
+    // documentation inherited from superinterface Streamable
+    public function readObject (ins :ObjectInputStream) :void
+    {
+        // dummy
+    }
+}
+}
diff --git a/src/as/com/threerings/presents/dobj/EntryUpdatedEvent.as b/src/as/com/threerings/presents/dobj/EntryUpdatedEvent.as
index 496276f0d..be6974794 100644
--- a/src/as/com/threerings/presents/dobj/EntryUpdatedEvent.as
+++ b/src/as/com/threerings/presents/dobj/EntryUpdatedEvent.as
@@ -59,7 +59,7 @@ public class EntryUpdatedEvent extends NamedEvent
     {
         // only apply the change if we haven't already
         if (_oldEntry == UNSET_OLD_ENTRY) {
-            var dset :DSet = target[_name];
+            var dset :DSet = (target[_name] as DSet);
             // fetch the previous value for interested callers
             _oldEntry = dset.update(_entry);
             if (_oldEntry == null) {
diff --git a/src/as/com/threerings/util/Name.as b/src/as/com/threerings/util/Name.as
index dcfa54cb5..e9fa18379 100644
--- a/src/as/com/threerings/util/Name.as
+++ b/src/as/com/threerings/util/Name.as
@@ -1,11 +1,13 @@
 package com.threerings.util {
 
+import com.threerings.util.Equalable;
+
 import com.threerings.io.ObjectInputStream;
 import com.threerings.io.ObjectOutputStream;
 import com.threerings.io.Streamable;
 
 public class Name extends Object
-    implements Streamable
+    implements Equalable, Streamable
 {
     public function Name (name :String = "")
     {
@@ -35,16 +37,13 @@ public class Name extends Object
         return _name;
     }
 
-    // TODO: needed? I'd think so. Maybe we need to create OOObject
-    // that all our classes can extend that define a reasonable
-    // equals().
-    public function equals (other :Name) :Boolean
+    // documentation inherited from interface Equalable
+    public function equals (other :Object) :Boolean
     {
-        return getNormal() === other.getNormal();
+        return (other is Name) &&
+            (getNormal() === (other as Name).getNormal());
     }
 
-    // TODO: comparable?
-
     // documentation inherited from interface Streamable
     public function writeObject (out :ObjectOutputStream) :void
         //throws IOError