FlyLight USB 2.0 Notebook Light
By Kensington

Lighten computer work with an illuminating performance. Put computer work in a better light with the FlyLight 2.0. Eight ultra-bright LEDs are mounted atop a flexible gooseneck that's easy to position. And with a built-in dimmer control, it is also easier to control brightness. The energy-efficient LEDs draw minimal power and last up to 100,000 hours of continuous use. ... 

USB Notebook Light with Bonus Fan
By Targus

Two products for the price of one, the Notebook USB Light illuminates your notebook and the included USB Bonus Fan keeps you cool. Lightweight, small and flexible, theyre the perfect travel companions. LED light is rated for 8,000 hours; the fan features compact vinyl blades. PC or Mac compatible, both are USB (no batteries required). ...