I scrolled through this thread and I must be a really lucky guy with the E-6750 I've got..
My system is stable at 3,52GHz (440x8) @ 1.32V (BIOS, Vcore at load 1.28V), E-6750 VID=1.3125V,
2x1GB Corsair XMS2 PRO DDR2-800 4-4-4-12 OCed to 880 4-4-4-10 @ 2.1V, BIOS Turbo setting on, option 1...