The Tech Report will fill you in on nVIDIA’s 7900 series, from GT to GTX, and from 4 manufacturers, BFG, XFX, ASUS and BioStar.  Check out the comparitive benchmarks, and other qualities like availability and price.
“NVIDIA’S GEFORCE 7900 SERIES is arguably the most attractive high-end graphics option for PC enthusiasts. With great gaming performance, low power consumption, mature multi-GPU rendering via SLI, and lower power consumption than ATI’s Radeon X1900 GPU, the green team’s G71 graphics processor has a lot going for it. What it doesn’t have, however, is an NVIDIA-built graphics card to call home. Unlike ATI, NVIDIA relies exclusively on board partners to build graphics cards based on its latest GPUs. Fortunately, those partners have become increasingly adept at differentiating their offerings, giving prospective buyers additional options beyond the graphics chip.”

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