I mean, the guy
is reputable; he actually built the rig in my sig (and plenty more). Last clocks I saw, he was selling the E8600 @ 4.2GHz on air, backed with a warranty. The quote was from the CTO, Mario Cifaldi. I usually take his word on computer stuff, lol.
Let me see if I can find a bench...
Overdrive PC Core2.SLI:
Core 2 Duo E6600 @ ~3.5GHz,4GB of DDR2-770, 8800GTS 640MB @ 621/1836, Western Digital 640GB, LITE-ON 20X, CM Stacker 830, Enermax 620W, Vista Ultimate 64-bit
3DMark '06: 10,302
SuperPI 1M: 15.194s