If I have one good advice to give you right now, is to be satisfied with 3.6 GHz and not go higher... Pent 4s can't overclock much anyway. I had a sucket 478 Pentium 4 HT @ 2.8 GHz and burnt the mobo by trying to overclock it..:( fortunately I'd used it for 2 years or so, that didn't make it...