There's some new stuff on the net in terms of code analysis. If you already knew about the CIA project and the Ohloh.net website, and you liked it, you might get a good interest in code_swarm, a java tool that uses SVN logs to generate a (good-looking) video of the project activity in terms of code development.
I played with it a little bit for you, and this is what it looks like...
[youtube=http://www.youtube.com/v/bOkD_sSRk48]
The video itself doesn't look too great once it has been processed by YouTube, but you can get a better quality one from here (about 7MB): http://www.dokeos.com/download/dokeos-activity2.avi