Got my q6600 to 3.6 easy.400x9,cpu1.40v bios settings,2.66C1066mhz.Had it on 3.4 no prob and stable,but wanted a little more.Idle 28,34,34,34 on a Zalman cnps97000NT,and a CoolerMaster Cosmos S.Could go more on overclock but no need this thing is FAST,and i plan on having this computer for a while so need it to last.I suggest to get a good mobo,cpu fan,and case with good airflow.
Intel core2quad Q6600 2.4@3.6Ghz
Zalman cnps9700NT 110mm cpu fan
Gigabyte GA-EP45-UD3P mobo AWESOME btw.
OCZ reaperHPC 4gb(2x2gb)DDR2 1066.
EVGA GTX260 core216 Superclocked Ed.
Samsung SpinpointF1 1tbHDD 7200rpm
LG hd/dvd burner/Blu-ray player
CoolerMaster Cosmos S