Hello Apples, I just bought a iMac 27" i5 version with the 2-TB Hitachi HDD. Under browsing: Fan-speeds: ODD: 998 rpm HDD: Always 1100 or above CPU: 939 Temperatures: ODD: 46C HDD: 57C CPU: 43C The only thing what bothering me is the loud HDD fan. Really annoying. So, what for iMac have you and what are the fan-speeds and temperatures of your iMac? And of-course how did you solve these high fan-speeds? (If you did) Edit: I have also a loud buzz and a dead pixel + dust in the right corner under my screen.