I have 1GB of Wintec Ampo DDR2 667. I overclocked it to 800 @ 5-5-5-15 which is actually what it was rated at 667 (no cpu overclock). I ran Prime95 all night with no problems, but as for improvements I haven't seen any. Am I shortening my RAM's life span for no real reason? Another option would be to tighten timings to CL4 or CL3 at 667 or 533. Or should I just leave it the way it came?