It’s a big, bad, powerful cooler, but it only fits on P4 systems (LGA 775).  Motherboards.org reviews the Asus VR Cooler, which tames the heat of the Prescott, even overclocked.
“For our closing remarks, I’d have to think that our comments on the performance will more than suffice – wow. At a great price with great performance, there’s almost nothing not to love about this heatsink, apart from the disappointing lack of cross platform mounting. Nevertheless, the ability to cool the CPU effectively while chilling surrounding power circuitry as well as heatsinks is definitely something to look for.”

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