The XFX 9800 GTX does well here, but perhaps not as well as some would have hoped. While it puts in a great performance, it does not separate itself very far from either the 8800GT or the 8800GTS 512MB, and actually gets bested by the 8800GTX at the top resolution, AA-enabled setting. The 8800 GTX does have a superior 384 bit memory interface, so this would make sense that it might be function better at these more extreme quality settings; whereas at lower resolutions (and without AA), you can expect the 9800GTX to out-perform, in thanks to its stream processor optimizations.