A few days ago I built an i7 system in a Cosmos S case and with Coolermaster V8 heat sink. All was well, until I downloaded realtemp to see how well the heat sink was working. To my astonishment, it was IDLING at 47 C. I know I installed the heatsink improperly, I just wonder what I did wrong. At one point I removed the heat sink because it was facing the wrong direction (my error) and didn't reapply the thermal paste. Could this have created such a high idling temperature? Needless to say, I will be reinstalling the heat sink before playing any games or using any intensive programs.