Gavinandresen has one, but it is not currently up to date with the svn (r119).
http://github.com/gavinandresen/bitcoin-git/tree/svn
I just updated my git "svn" branch with r116-119, and also merged it against 'master'.http://github.com/gavinandresen/bitcoin-git/tree/svn
The git network diagram showing what I done did is kinda pretty.