"I had heard many good things about the overclocking ability of the duron. So I decided to test it out. I was able to get it to 850 Mhz at 1.8v. This is pretty good and I am very pleased, just be sure you get a multiplier unlocked one pretty quickly because AMD has started locking the processors."
FULL STORY @ COREMELTDOWN (http://www.coremeltdown.com/reviews/amd/duron/)