Speedfan too is good. Btw, is the cooler really thin? Ive seen really thin cooler with Athlon II X2 proccys. Its not a good idea to run a PII X4 on the same, as temps could hit 50~60c with that. Try to get atleast the stock cooler of a PII X2, which is 2S thicker, or get an aftermarket cooler.