Are you going nvidia or ati ?
I recomend the Asus P5E Intel X38 because its actually a asus maximus formula mobo but you save a few bucks
if you peel the p5e sticker off the mobo its printed on the board underneath "asus maximus formula" lol and i know for a fact that board will do 3.6ghz easy.
heres some 5 star reviews
Reviewed by: Ed
Supurb board, layout is fanastic can easly get two ATI 3870's with good air flow going. Clocked my Q6600 to 3.6Ghz 24/7 @ 1.4V
One problem the Tuniq Tower Simply wont fit ethier way round due to capasitors/heatsinks!, luckly i had my Thermalright 120Extreme from old Amd 6400+ setup!
ave got one of these mobos mainly for crossfire but does it overclock too.I have my q6600 clocked to 3.4mhz 2x3870 and it benchmarks on 3dmark6 at 17300. Plays crysis with everything on very high with no problems at all. Bet the new 3870x2 rocks big time. Buy this mobo if you have Ati cards and want to use crossfire.
theres lots more lol