Nothing special, just an E2160 @ 3GHz.
Didn't notice any difference in Crysis between 3GHz and 3.5GHz, so I left it at 3GHz.
Besides, idle/load was 32/56 with 1.6volts @ 3.5GHz.
Now I'm 13/36 @ 3GHz, so I can't complain (I have a duct from cold outside winter air to the intake of my case).