Gamespot have returned to benchmarking Vista now that the service pack has been released. The conclusion states: Windows Vista with Service Pack 1 is a step in the right direction. Gaming performance increased in comparison to a fresh installation of Windows Vista. Windows XP SP2 provides better overall performance, and remains the place to go for dual-GPU solutions. Windows Vista is not quite the ideal gaming platform yet, but the new OS is getting close to dethroning Windows XP. To read the full article go here: Windows Vista SP1 Gaming Performance Report - Features at GameSpot On a more personal note I've found that Nvidias latest betas (174.74) are very fast and have got to be the best drivers I've used to date.