Thats a nice q6600, you might be able to get a record out of it. Just put that bish on a benchtable, grab some 120mm fans, and maybe a house fan, and get CPU-z running and start getting 4.5+Ghz. q6600's can sometimes do 4.8Ghz well i dont know the records but ive seen a guy on overclock.net that has a verification at 4.6ish Ghz with a q6600

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You could go down another 780i-790i ultra from Zotac on newegg thats like 100 bucks.
Or get a Ep45-ud3p motherboard,(ive done 2190FSB) and clock that q6600 to its knee's and maybe you can take a gamble and hack sli like i did ;D.
My q9550 does 0.992 volts for 3.0Ghz 24/7 stability. Pretty impressed with my voltage scaling.

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