… and of course there are many reviews available for your consumption.
HardOCP – “What we’ve learned is that the GeForce 8800 GTS 320MB has the shader horsepower to play the latest games at their maximum playable settings. The 8800 GTS GPU is pushing a high level of game performance and its foundation is strong, The only bottleneck, as should be expected, is the “missing†320MB of memory capacity, but this only affects your current games minimally and usual in terms of a single level of AA.”
Legit Reviews – “When it comes to performing well in today’s current games the XFX 8800 GTS 320MB XXX edition graphics card is no slouch. In some cases, it was very near the class leading 8800 GTX, which speaks volumes about the kind of gaming experience you can expect. I was more than a little skeptical when I first heard that NVIDIA planned to bring a card to market with half the memory size of the standard GTS but I have been thoroughly impressed with the performance of the XXX 320MB card. It delivers exactly where it counts, at resolutions the largest percentage of the market actually games…”
Other reviews can be found at Hexus, Bjorn3D and AnandTech.