Originally Posted by brady
To check the specs of your system click on the Apple on the very left of the bar at the top of the screen and then select "about this mac" then click "more info"(I think it's more info?). You'll get a systeminfo screen and you can check to see if all you vram is being detected amond other things.
Thanks Brady. Totally forgot about that being in there.
nekro, give it a shot and let us know how it goes. I've seen a few YouTube vids of AMD PCs running OS X and they run quite nicely.