"After running circles for three sets of two minutes on each driver we came up a bit dizzy, but the results were able to show impressive driver improvement over the months before BIOSHOCK was released. The Forceware 163.44 Beta drivers are clearly in the lead and while they didn't double the performance level versus the Forceware 158.18 drivers they came close. Just by updating the video card drivers we were able to pick up 34 frames per second, which is a 69.4% performance improvement!"
Check it out at Legit Reviews.