Can you fit pretty much any graphics card into a mac pro? (Im new to mac so sorry if thats basic) Also say the card only worked with windows, if I plugged in a card and booted to windows would the card run that way? Reason I ask is that some of the work I do requires running high end games but I hate vista and have always wanted a mac. Im fine with dual booting if I have to but I was hoping that high end graphics cards would work on the mac pro so I dont have to buy two machines. Any help on this would be greatly appreciated. Thank you.