If you are going with holes, i would guess bigger. Possibly if you had 5 very large holes, it might help. It could possibly help in that the chunks of DICE were smaller than the holes, and would fall in them, which would cool the acetone closest to the proc lower. (did that make any sense?

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Also, my 750i FTW, q9300 setup from last night:
I only did SuperPi b/c i didn't have a ton of time. I got around 14.6s at my best, which isn't very good...I can guarantee the board is the limiting factor. I guess i'll test the q9300 on the DFI p35 and see what i can do. But i am going to keep it in the 750i FTW for a while to do some 3D tests with SLI 8800gs's.