i dont know about that caz i have seen reviewes of mx based pci cards and thay do loose out about 10% compaired to agp... but i dont know if the radeon chip is effected as much using the pci bus, if not then the sdr pci will be the best option for us less fortunate people with fast PIII 800 with crappy 810 mobo that dont support agp.... and btw has anybody come accross a review of the pci card with fps in quake3