TechwareLabs has published a review of the Thermaltake NBcool T2000 Notebook Cooler
A quote from the article:
Thermaltake NBcool T2000 Notebook Cooler Review
If you own a notebook then you are probably aware of how hot they get. Heat is well known as the number 1 killer of computer components so it is important to keep your investment cool and among the living. Justin has a look at the T2000 notebook cooler by Thermaltake and approaches it with from the unique perspective of not only its cooling properties but also how it affects your battery life and the battery savings due to the cooling effect on your CPU and components.
Thermaltake NBcool T2000 Notebook Cooler Review