diff --git a/src/java/com/threerings/getdown/data/Application.java b/src/java/com/threerings/getdown/data/Application.java
index 1f524a9..12d43cd 100644
--- a/src/java/com/threerings/getdown/data/Application.java
+++ b/src/java/com/threerings/getdown/data/Application.java
@@ -51,10 +51,12 @@ import java.security.Signature;
 import java.security.cert.Certificate;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Set;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -64,7 +66,6 @@ import org.apache.commons.codec.binary.Base64;
 
 import com.samskivert.io.StreamUtil;
 import com.samskivert.text.MessageUtil;
-import com.samskivert.util.ArrayIntSet;
 import com.samskivert.util.RandomUtil;
 import com.samskivert.util.RunAnywhere;
 import com.samskivert.util.StringUtil;
@@ -509,9 +510,13 @@ public class Application
         // check for tracking progress percent configuration
         String trackPcts = (String)cdata.get("tracking_percents");
         if (!StringUtil.isBlank(trackPcts)) {
-            _trackingPcts = new ArrayIntSet(StringUtil.parseIntArray(trackPcts));
+            _trackingPcts = new HashSet<Integer>();
+            for (int pct : StringUtil.parseIntArray(trackPcts)) {
+                _trackingPcts.add(pct);
+            }
         } else if (!StringUtil.isBlank(_trackingURL)) {
-            _trackingPcts = new ArrayIntSet(new int[] { 50 });
+            _trackingPcts = new HashSet<Integer>();
+            _trackingPcts.add(50);
         }
 
         // Check for tracking cookie configuration
@@ -1450,7 +1455,7 @@ public class Application
     protected boolean _allowOffline;
 
     protected String _trackingURL;
-    protected ArrayIntSet _trackingPcts;
+    protected Set<Integer> _trackingPcts;
     protected String _trackingCookieName;
     protected String _trackingCookieProperty;
     protected String _trackingURLSuffix;
diff --git a/src/java/com/threerings/getdown/data/Resource.java b/src/java/com/threerings/getdown/data/Resource.java
index 6614bdd..cd5b6a0 100644
--- a/src/java/com/threerings/getdown/data/Resource.java
+++ b/src/java/com/threerings/getdown/data/Resource.java
@@ -32,13 +32,13 @@ import java.net.URL;
 import java.security.MessageDigest;
 
 import java.util.Comparator;
+import java.util.Collections;
+import java.util.List;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 
 import com.samskivert.io.StreamUtil;
-import com.samskivert.util.CollectionUtil;
 import com.samskivert.util.FileUtil;
-import com.samskivert.util.SortableArrayList;
 import com.samskivert.util.StringUtil;
 
 import com.threerings.getdown.util.ProgressObserver;
@@ -224,10 +224,8 @@ public class Resource
         if (target.getPath().endsWith(".jar")) {
             JarFile jar = new JarFile(target);
             try {
-                SortableArrayList<JarEntry> entries =
-                    new SortableArrayList<JarEntry>();
-                CollectionUtil.addAll(entries, jar.entries());
-                entries.sort(ENTRY_COMP);
+                List<JarEntry> entries = Collections.list(jar.entries());
+                Collections.sort(entries, ENTRY_COMP);
 
                 int eidx = 0;
                 for (JarEntry entry : entries) {
diff --git a/src/java/com/threerings/getdown/launcher/GetdownApp.java b/src/java/com/threerings/getdown/launcher/GetdownApp.java
index a1bad5d..7bfa6c4 100644
--- a/src/java/com/threerings/getdown/launcher/GetdownApp.java
+++ b/src/java/com/threerings/getdown/launcher/GetdownApp.java
@@ -35,8 +35,10 @@ import java.io.IOException;
 import java.io.BufferedOutputStream;
 import java.io.PrintStream;
 
+import java.util.Arrays;
+import java.util.List;
+
 import com.samskivert.swing.util.SwingUtil;
-import com.samskivert.util.ArrayUtil;
 import com.samskivert.util.StringUtil;
 
 import static com.threerings.getdown.Log.log;
@@ -46,32 +48,28 @@ import static com.threerings.getdown.Log.log;
  */
 public class GetdownApp
 {
-    public static void main (String[] args)
+    public static void main (String[] argArray)
     {
         // maybe they specified the appdir in a system property
         int aidx = 0;
+        List<String> args = Arrays.asList(argArray);
         String adarg = System.getProperty("appdir");
         // if not, check for a command line argument
         if (StringUtil.isBlank(adarg)) {
-            if (args.length < 1) {
+            if (args.isEmpty()) {
                 System.err.println(
                     "Usage: java -jar getdown.jar app_dir [app_id] [app args]");
                 System.exit(-1);
             }
-            adarg = args[aidx++];
+            adarg = args.get(aidx++);
         }
 
         // look for a specific app identifier
-        String appId = null;
-        if (args.length > aidx) {
-            appId = args[aidx++];
-        }
+        String appId = (aidx < args.size()) ? args.get(aidx++) : null;
 
         // pass along anything after that as jvm args
-        String[] appargs = null;
-        if (args.length > aidx) {
-            appargs = ArrayUtil.splice(args, 0, aidx);
-        }
+        String[] appargs = (aidx < args.size())
+            ? args.subList(aidx, args.size()).toArray(new String[0]) : null;
 
         // ensure a valid directory was supplied
         File appDir = new File(adarg);