The HardOCP has snagged some SLI performance numbers for the GeForce 6600 GT, 6800 GT, and 6800 Ultra. A handful of scores with single-card and SLI configurations is offered for DOOM 3, Halo, and 3DMark05. The Halo and 3DMark05 results are particularly intriguing because the GeForce 6600 GT SLI configuration is between 17% and 24% faster than a single GeForce 6800 GT. For the skinny on NVIDIA"s GPU teaming revival, see our recent SLI preview.