After watching the video a couple more times, it looks as if the learning curve for control of this machine could be shortened some with less sensitive controls.
And that is before considering the structural deficiency of the "airframe". Wonder how much time, effort and $ he put into building it?
This one's a little smoother:
http://www.tetongravity.com/video/adventure/hoverboard-is-basically-one-giant-human-drone