Guys, I just received my new iMac 21.5" i7 3.1GHz CPU Fusion drive, 16GB RAM. And mentioned the Fan speed is always around 1400 rpm (1396 - 1402). Does not matter if I am in idle (no apps running at all) or video conversion. Eveen the CPU temp is 22 degrees C, the fan speed is still 1400. And see the air flow is going out of the back all the time. Is it the lowest fan speed in iMac? Or I have some issue with the fan control? I use iStat to monitor the speed.