Soloshot
If you want footage of yourself doing... pretty much any athletic endeavor, you could hire a filming crew, or you could pick up a Soloshot ($480). This unique gadget works as a base for any camera or camcorder with a tripod mount, following your movements wirelessly thanks to a small waterproof transmitter that you wear as an armband. It can rotate at speeds of up to 40º per second all the way around, and can track subjects up to 2000 feet away moving at speeds up to 140 mph. But most importantly, it won't laugh at you if you totally wipeout while it's filming.
