On my 5670 with 1600x1200 res, I've had 3 dead pixels from the beginning. They're scattered all over the place and I never see them. Only time is when I have an IM window there. But at such a high resolution, it'll be hard to see. I think a few are tolerable, as long as they're not dead center. Sager's policy is all in the location. They divide the screen into 9 quandrants and if you get one in the center quadrant, they'll replace it for you. I wonder what Dell's policy is.
There was a mix-up with Airborne so I'll get my 8600 tomorrow. I'll be spending all day installing stuff but I will try to post pics of both systems (8600 and 5670), side by side.
edit: I only have 2 dead pixels, haha.
Go
here to check for dead pixels (launch calibrator).