So you have gone from a problem that was not noticeable until you where informed about it, and a monitor that had dust, (that I told you how to easily fix), to a computer with a problem that is obviously noticeable..
Nice..
Is that supposed to be some kind of smart ass slam or something dude?
I didnt notice the dead pixel (close examination with a jewelers loop verifed that it was a dead pixel) until the third or fourth day of having it and I started running the various tests that I had read about. Once I found the problem, I took it the Apple store, if it was dust, I would have been happy with them cleaning it out, no problem. It was THEIR decision to replace it after taking it in the back. The yellow tint in the corners is slight enough that it doesnt bother me, (yet anyway), and it appears that the 24" imacs at the apple store I was at today had the same problem.
"and a monitor that had dust, (that I told you how to easily fix),"
I considered this, but I have no suction cup to do this with, and to be perfectly honest, I think it very foolish to mess around like that with a brand new machine that is under warranty.
In any case, if I but a brand new computer, I rather expect it to have no problems at all, at first anyway. I can live with dead or stuck pixels after a year so, but not in a brand new machine.,