your POM at nextversion-SNAPSHOT and then when you do all the release machinations, it shaves the -SNAPSHOT off, tags, builds and ships your thing, then commits a new POM with nextnextversion-SNAPSHOT as the version.
plugins to use latest version.
authorized by Sonatype, I'll be able to upload Depot into it as well, since they both use the com.samskivert groupId. w00t!