Originally Posted by brady
slaWter, you should give it a go. It'll be interesting to see if the 280 works. Do you have onboard sound in case the Xi-Fi gives you trouble? If the 280 works you will probably slaWter (get it!) Mac Pros in Xbench which has a little GPU test.
the 280 should work. it seems like the nvidia driver is unified, and only varies based on the amount of video ram present.