"We've been through multiple video cards and more driver revisions than you can shake a stick at. We discovered so many issues and bugs in the drivers that we weren't sure where to start when it came to writing up this evaluation. Major games - like The Elder Scrolls IV: Oblivion and Call of Duty 2 - just don't work as they should on Quad SLI. Any consumer buying Quad SLI right now is going to have a hell of a time trying to get their working acceptably. "
Check it out over at Bit Tech.