FrostyTech has posted a Coolermaster Jet 4 ICB-V83 Pentium 4 Heatsink review

Considering that Coolermaster's Jet4 heatsink measures in at 136mm tall, and belts out almost 60 dBA at full speed, you can bet that overclockers are lining up for it... For the rest of us, it's a good thing that Coolermaster equipped the ICB-V83 Jet4 with a fan speed controller to quiet things down. Dial up the speed of the squirrel cage fan for heavy duty cooling, and when quieter times are needed, dial down the speed to 1900 RPM and relax in moderate noise levels of about 45 dbA the Jet4 produces. Squirrel cage fans have an added bonus in that the dead spot normally found under a standard fan is not an issue. The way the fan works, a steady stream of air is exhausted down into the heatsink providing excellent airflow at the outer edges and center as well.

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