That is a highly OCable CPU. You'll like it. If you're going to wait for a faster model, ehh if I were you a faster model would mean a new motherboard as well, and by that I mean either AM2 or LGG 775. But then you'll need new RAM too.
wait wait wait, just get the X2 3800, you'll love it.
wait wait wait, just get the X2 3800, you'll love it.