Furni, one of my favorite grassroots design firms, has launched a contest called "show us your skills". It's your chance to show off your design skills and show the world you have what it takes. The point of the contest is to design the best case for their LED clock kit. The winning entry has a chance at becoming part of next years line up. You can purchase the guts for $24 here.
More info about the contest, as well as pictures of the entries here.