I'm looking for something rugged, capable of running Linux, and cheap if possible. I'm just curious what you guys have actually used and liked as I evaluate which one would work for me.<p>I've used this in the past but I'm curious what else is out there: http://parvus.com/products/MilitaryAerospace/EmbeddedBoards/CPU-1421/
<i>"... What's your favorite embedded system? ..."</i><p>Arduino ~ <a href="http://arduino.cc/" rel="nofollow">http://arduino.cc/</a><p>Hands down the cheapest, most open-sourced and fun stuff you can play with. I know it doesn't run Linux, but the cost, expandability through open-design and toolchain make it worth considering for prototyping.