Originally Posted by Syn 
Hardware wise i just checked the Mac Pro, it comes with C2Q but hey they stick in a 7300GS as STANDARD? And you say there isnt much you would want to upgrade in Mac OS X?
Seeing as most mac pro's are not bought for gamers the 7300gs is fine for most of the buyers, and there are other cards to upgrade to if needs be.
The mac pro is a small portion of the mac sales, most of it is mac laptops/mini's and iMacs.