I'm looking to get a new graphics card, but due to my windows media edition BS, most won't fit in the slot provided. i was looking at a PNY Verto GeForce 6600 256MB DDR AGP, possibly could this fit? my specs are here, its a HP Media Center m1265c Desktop PC. i'd like to ideally be able to still watch movies but actually be able to play most games that require shaders (ei. nearly all new games).