the 9800gtx out performs the 8800gts preaty well in every game benched so far, and out does a ultra by just a tad. its also the fastest card to run crysis, even outperforming the 9800gx2. the 9800gtx is also curently teh same price as the 8800gts512mb and is 11% faster on average then the 8800gts 512mb at 1680x1050 res.