Okay, my new rig is up and running. I've gotta' get to bed soon, so no oc'ing for now.
But I'll post my results once I get 'em.
Just ran the CS:S stress test with everything litterally maxed (1920x1440, 16xAA, 16xAF, GCAA, TAA, Vsync, TB, all in-game options 100% maxed)- got an average fps of 59.47! And HL2: LC was at 48.37, though for some reason the computer did automatically switch to the desktop in the mid of the test- so I don't know if that effected my fps any or not. Regardless, never has it been that high! I'm loving this new Opty.