I have the issue with the graphic chip now, after the 4 year warranty has passed... I was in the Apple Store in Cologne, Germany. They tested it and figured out, it actually is the Nvidia bug. I was happy and hoped for a replacement of the mainboard for free. But no, I bought the Macbook in April 2008 - so the 4 year warranty is over.
I am really pi**ed because of this because it IS ACTUALLY the Nvidia bug and a couple of month ago they would have replaced the mainboard for free. So I would have been lucky, if the problem had shown up earlier... But it didn't.
Any one else with that problem?
Sorry for my english, I'm not a native speaker.
MacBook Pro (15-inch Early 2008), OS X Mountain Lion (10.8.2)