This is VERY Cool and I'll consider getting one.

AR Drone is a iPhone/iPad controlled helicopter developed by France based company Parrot. It has four fans that allow it to fly in any direction, and featuring both cameras (on its front and bottom back) of the AR Drone can stream real time video back to phone. The chopper comes with two augments reality game, one of which pits you against a fighter jet that you need to try and shoot.

Cost $300 http://ardrone.parrot.com/parrot-ar-drone/en