It seems that for some reason the Phenom 2 X6 chips do run rather cool, i have a 1090t OCd to 4.0ghz and with an ambient room temp of 19-20c it idles at 27c and gaming temps never exceed 49c.
Thats using these for cooling =
Be Quiet! Dark Rock PRO BK016 CPU Cooler
All housed in one of these =
Which all adds together to look a chilly one of these =