that my pc is good enough

i have asus motherboard with 4x agp slot

prossesser 2.8 gh

ram 1gb and 512mb

128 mb graphics card egate nvidia but i know i must upgrade graphics card so what is recommended graphics card for these game

i wana play bioshock and crysis so what it good enough

dose i can play this game on this prossesser and ram i only wana change my graphics card only nothing else

i think your going to need a new mobo some time or the other, because its AGP but as a "quick fix" get a 2600XT http://www.newegg.com/Product/Product.aspx?Item=N82E16814102711yoyo462001

For a 4x AGP slot??? :o