There is a short review over here (http://www.dansdata.com/quickshot004.htm) that would not normally be worth a mention, but it includes a short review of the Thermal Transtech NPH-2.
The NPH-2 is a heat pipe design that is eerily similar to the Aerocool Deep Impact DP-101 design that I used in my ocerclocked system build. Wonder if Aerocool will challenge the copyright infringement because it is practically identical!
Thermal Transtech specialise in heat pipe cooling systems, and a big fat heat column sits in the middle of this one. It manages to score an absolutely superb 0.49°C/W with its stock fan (one of the all-time best results seen by Dansdata) and when the fan was upgraded to a more powerful 70mm TMD it reduced its score even further to 0.45°C/W. That result means a 2.0GHz PIV (478) would run at under 34 degreees centigrade :D That is cooler than an Thermaltake SLK600 or SLK700 with a screaming delta fan :blink: It is only beaten by the SLK800 (with delta fan) that scores 0.46C/W - but the NPH-2 beats this if you upgrade the fan slightly as described above.
A top-rated air cooler.
TL.