ahh, i keep seeing this graphic problem pop up... Vanderbal has it, and i beleive another person posted a thread, though they were a beta tester for vista is it?
anyway, i know for sure Vanderbal had the latest Nvidia drivers, of which are identical to theo nes on his install CD, the lucky guy gets brand new stuff from his dad's shop

I was thinking about updating my drivers to check if it was the new one affecting it, but eh.. i'm lazy. always good to try though, just remember to rollback if it gets worse