Ok I have Mountain Lion up and running on a second partition. It is in no way usable as an every day os. I haven't checked what all doesn't work but right now I know that I have no wifi or graphics. Yes the screen works but its just the same basic graphics as the installer so launchpad takes about 30 seconds to load and notification center is very slow also. I'm about to try to get wifi working first and then on to graphics. Will post future updates to let y'all know how it's going.
@gsustek I'm sorry I misspoke earlier. You are correct at least for me, the graphics is X3100 powered by a GMA950 chipset. This, hopefully, is really good because there is a little hope that we can get QE/CI running.
*Update*
I have wifi working. Still having problems with sounds, display, and sleep/shutdown/restart.
Anyone else have it up and running? Should I post a quick guide to get what I have running for y'all?