Went to Unallocatedspace (http://www.unallocatedspace.org/uas/) on Friday for their Arduino Night 14 Dec 6-10PM. Had some fun putting together an Arduino kit (for $11).
Here is the instructions we followed: http://www.jameco.com/Jameco/workshop/JamecoBuilds/arduinocircuit.html
And here is the result:Here are more pictures of the night: