Does anyone know if exact processors were ruled out? I just bought an E8400 a couple months ago and now I'm starting to read that older Core 2 Duo's will be ineligible for Mountain Lion. How about graphics? I have an HD 4670, and although I'm not finding anything on it, I know the early ATI and GMA's are also ineligible. As it stands, when trying to load Mountain Lion my screen goes blank and then my computer restarts. I've followed some guide that was pretty much the same method I used for installing Lion, but altered for the Mountain Lion DP.