[Jonas] sent in a surprisingly retro concept given the number of small cheap funky video recorders on the market. He built his own. At the heart is a sony Digital8 recorder, combined with a security camera and a SLR lens. It's finished out with an LCD viewfinder and a handful of AA batteries to power the security camera.
http://www.hackaday.com/2007/06/20/diy-camcorder/