the base of the heatpipe northbridge air cooler.
i hope it does well, here's what's going with it when i have time tomorrow...
Intel Core 2 Quad Q9400 2.66ghz
G.Skill 2GBHZ D9 DDR2 800
Gigabyte GTX 260 or 2x HD3870's in CF, i got a pair of visionteks for a good deal
Seasonic M12 700w PSU
WD Velociraptor 300gb x2 in RAID 0
hopefully i can clock that quad up to 4.2+, if not i might have to buy some DDR2 1066. stay tuned,