My system is currently running at 11 X 250 2-2-2-6 (2750). I've have memtest running the default test for 10 hours now (33 runs) with no errors. I'm fairly certain the temps were the cause of the errors.
Temps are currently hovering around:
CPU 44c
CHIP SET: 48c
CASE: 46c
Haven't touch my voltages from my last testing. I plan on going to 11 X 255 or 260 tonight to see how things go.
Very satisfied with the performance of my setup.
Good OC
Decent TEMPS
Nice quiet case (quiet to me, my 2ndry sounds like an F-16)
Very stable