My optie:
Opteron 165 - LCB9E TPMW (had XPMW too) - 2.6 GHz to ~2.76 GHz @ 1.35v, 2.8 GHz @ 1.375v

Cooling: ThermalRight XP-90 w/ Panaflo 92mm @ ~3100 RPM, 56 cFm

Temps - MBM & EVEREST (Dual-prime small FFTs):
Idle: ~31 C
Load: ~54 C