Something like what http://www.microdrones.com makes, then? There was a demo at it at 23C3 (http://events.ccc.de/congress/2006/Fahrplan/events/1402.en.h...) and someone made an open-source UAV control system and demo'd it at 24C3 (http://events.ccc.de/congress/2007/Fahrplan/events/2225.en.h...)