My GM 5478 is a great computer, 500gb hd, quadcore processor, 4gb ram, my graphics card however is null and void broken. the graphics card is a •NVIDIA® GeForce® 8500GT 256 MB video card. the power supply btw is 400W, im a poor college student who would like to spend 100$ or less, and get a decent graphics card. I am kinda new to upgrading graphics cards or anything, but i was looking at the geforce 8800gtx, but its still rather pricey, can anyone help me with what is the best graphics card i can get with 100$ for this computer, thanks for the help
-scott