Cook Your Meat in a Beer Cooler: The World's Best (and Cheapest) Sous-Vide Hack | Serious Eats
http://www.seriouseats.com/2010/04/cook-your-meat-in-a-beer-cooler-the-worlds-best-sous-vide-hack.html

sous vide on the cheap

I've got to try this.

Interesting - might try this out