David Windestal posts a video where he uses some relatively high powered video and RC transmitters to guide a small foamie glider back to Earth after releasing it from a weather balloon. It wasn't entirely successful, but pretty cool nonetheless. Something I've always wanted to try.
I'm not sure what the longevity of brushless motors in water would be - you wouldn't want to get water in the bearings. Seems like a pretty cool frame nonetheless.
I believe Channel 10 were putting together the "Official Documentary" of the OBC. This report briefly features the OBC at Kingaroy, Quads, FPV, and the usual reckless-hobbyist/privacy/laws-behind-technology rhetoric.