The DJI Phantom has GPS built in so it can hold its position against wind. It also has the ability to land itself where it took off in the event it looses comms with the remote. When outfitted right you can also have Point Of View systems where some video goggles can give you a 1st person view of what your camera is seeing. They also have upgrades you can do that allow you set set GPS way points and the phantom will just fly automatically in a from way point to way point without any additional user in put.

The one I am curious about is this thing quad copter they are working on that tracks its user via a gps arm band. From what I have seen you where a bracelet type thing with a transponder and the camera will automatically follow that bracelet so you dont even need a operated. you can wakeboard or surf or whatever and the copter will just follow you. This seesm pretty awesome.