Fortunately, the Celeron D will stress systems less and tend to run a tad cooler than the Prescott P-4 due to less cache and fewer transistors. The IC7 is the best socket 478 motherboard for Prescotts, but remember there was no socket 478 motherboard power circuitry that was actually designed for overclocking Prescotts. This won't be a problem as long as you don't get carried away with voltage. Like I said, vcore up to 1.45v is fine as long as you have adequate case ventilation. With some minor modding and a little better cooling, you can push to 1.5v if you are hardcore. Certainly, 1.4v is a piece of cake. Try that first and see how high you can go. Check temps to see if you have any headroom. Mosfets are basically the PWM temps.