The Enquirer continues to follow the plight of nVidia (and its users):
http://www.theinquirer.net/inquirer/...ad-bumps-worse
I have not burned up any nVidia hardware myself, but friends have. I have one Macbook Pro owner who has burned up 4 (four!!) mainboards doing Photoshop work from his MBP to his twin 24" Dell monitors. No gaming -- just professional work.
I hate to tell people to avoid nVidia, but this article is not happy reading.