Here you go, all it need now is wings.

[Cobra Jet Steering LLC]

http://www.gibbssports.com/biski
once you are on the page look to the left for the play video button. I thought it was pretty interesting.
I see someone already posted it in the jet ski section .

 

[Murf'n'surf]

The quad version of that is pretty noisy with the impeller clanging all of the time while out of the water. This machine looks to have 2 impellers. I wonder how noisy it is.