Nvidia released an updated Quad-SLI driver not long ago under the name of 91.45, and it's even worse than 91.37. Fuad from The INQ reckons that Quad-SLI could become the biggest embarrassment of 2006 if Nvidia don't clean up their driver! Here's the article: http://www.theinquirer.net/default.aspx?article=33975

Yeah, such a huge embaressment that the very few people capable of affording this extreme hardware won't get quite the ridiculous framerates they [i]need[/i] so badly. Sorry, couldn't help it. I'm sure there are bigger embaressments. Like Vista (providing the scapegoat of coding inaccuracies for many years past and many more to come).