I am thinking of upgrading to Win 7. I had my system scanned for compatibility, and was told that I need to get a DirectX 9 class graphics processor, as well as a 128mb video card. Now, I read a lot of stuff about graphics memory. Is this another h/w device, or is it processor app that comes with vid card? Help me out here. I know the card is h/w. but the graphics processor, what is that, and are they terribly expensive?