I want to start with a mild overclock 3Gz-3.2Gz with stock HSF with the possibility of going higher with better cooling (IP35-e MB). I figure I either buy the e6550/e6750 ($169/$189) from NewEgg or eBay the e6600/e6700 if I can beat that price. $190 is really pushing it on the budget. What would you do if you were me? Thanks!