http://blogs.technet.com/chrisavis/archive/2008/08/27/the-worlds-smallest-pc.aspxIt runs Red Hat but I am ignoring that. The Space Cube is an interesting little device ( Link to Manufacturer ). Check out the pictures of the Space Cube next to a cell phone to get an idea of how small it really is. The article linked above makes iten-USCommunityServer 2.1 SP1 (Build: 61025.2)