I went back to the original recovery tar I loaded with odin. Then wiped data and cache and dalvik.
The flashed newest snapshot and gapps.
works like a charm.
What I'm seeing is the kang (sorry UNOFFICIAL BUILD) that you and I flashed left the wrong device ID and so you need start over at the beginning to get back in sync with the CM9 nightlies.
That is the laymans version. I'm sure one of the devs can give you the technical version.
Alright this wasn't quite as easy as expected. But I did find this thread: http://forum.xda-dev...d.php?t=1528415. After deleting the line on the file (and I happened to use 220.127.116.11) everything installed fine. Finally got some ICS!