First off I apologize if this has been discussed before, I tried browsing and searching, but wasn't sure exactly what to search for... I have an early 2008 Mac Pro. I've been tempted on and off to get the 8800GT for windows gaming in bootcamp, however the price really turns me off ($280 for essentially a $150 card on the windows side)...plus the ATI Radeon 4870 is $20 more and handily outperforms it. My question is, is it possible to buy a 4870 and use that along with the stock 2600 card, and use the 4870 just in windows for games and the 2600 for OS X? If it is possible, what exactly would I need to buy in terms of any sort of KVM/dvi stuff, because where I have my Mac Pro is somewhat annoying to get access to the back to switch dvi cables around (i.e. I'd like it so there was no physical switching of dvi cables/ports in the back every time I wanted to boot into windows or back again)? Finally, are there any downsides to doing such a thing? Thank you very much in advance for your help, and if this has been discussed before I apologize!