I boot it up, first thing, the screen is clearly yellow. Normally I think people tend to nitpick a little bit, but this was obvious to me - which is saying something. My HD is constantly ticking, like a beating heart basically. IMPOSSIBLE for me not to hear it. I then search and find separate threads for each of these issues. My 24" iMac crapped out and I got upgraded because of Applecare. Even paid an extra $300 ish to go to the i5. After 3 weeks of waiting, I am extremely disappointed. If I didn't have a laptop I would have been screwed. No way I'm going to keep this machine, but I can't express how frustrated I am at starting this process over again.