Good luck on the GPU. I don't think anyone got it to POST with anything substantial. a 64 bit copy of Ubuntu loads right on it.

2008 supports the EFI install but I haven't heard of anyone trying it on the new BIOS rev. If someone can post the BIOS to a dropbox and share it to us, that'd be awesome. I'm curious on this as well but not crucial since this guy is working just fine and I never touch it. One thing with these boards, I wouldn't put this in a mission critical application. They get wonky if you want to shut them down and then power them back up.

I think I may be able to help in the RAM and CPU department. I have a board that doesn't work with 4 Quad-Core AMD Opteron 8347's and some RAM. It's currently just sitting there. PM if your interested in purchasing it.