The DJI Phantom & DJI Phantom 2 vision are both awesome. The Phantom 1 is probably better if you want to put your own board in the air, as it has more payload space. But out of the box the Phantom 2 is unbelievable with its iPhone FPV & telemetry integration
If you have lots of time on your hands, though, you could build your own with ardupilot: http://ardupilot.com
If you have lots of time on your hands, though, you could build your own with ardupilot: http://ardupilot.com