Minimum GFX for COD4?

[MeatLoaf]

Whats the mimimum GFX card i could get away with for running COD4. Its for a fairly oldish A64 3200+ @ stock currently on onboard gfx and to run at 1024x768 ( max his 15 inch tft will do ). Needs to be PCI-E and cheap as chips.

Any chance a 6600GT/7600GT would do it with minimum details/no AA/AF?

 

[MeatLoaf]

you have 8800 gt why you need minimum graphics?

Its for a spare machine so my nephew can play, fed up of him being on mine