The World's Tiniest Power Supply Unit
An anonymous reader writes "This year at CES members of the press got to grab a glimpse of the world's tiniest power supply. Well actually it is the world's tiniest 12V snap-in ATX DC-to-DC power supply, but you get the idea. This unit produces 120W of power and is about the size of two AA batteries. It is specifically designed for use with Mini-ITX motherboards, but can be used in many other applications."
They sell them here for $50 if you're interested in putting one in your mod or computer.
You may also be interested in the pdf guide for the picoPSU-120.
My work here is dung.