What cpu?? for overclocking

The 65W one, theoretically, will be better for overclocking as it should produce less heat. However, I'm not sure of real world performance, so it really could be either one.

If you really want to overclock, I suggest you buy a very good Asus, DFI, Abit, etc. And most importantly, buy RAM that is very high quality; RAM that is designed for overclocking is the best. That way, you'll be able to get the best overclock out of your computer no matter the processor.

i agree with Ralck for overclocking you need high quality mother board,and ram.you can also get ram that is of a higher clock speed than the "non-overclocked" speed.if you go that route just be sure the ram is compatible.