I just saw this on T.V. tonight. All I can say is WOW.
http://www.airtrax.com/flash/sidewin...eo_viewer.html
There's some serious hardware/software running in the background to allow for this kind of movement (all in real time).
They say it took 10 years to develop. It was developed with financial support from the Navy.
Cost $ >30,000
Now if I can just persuade the boss we need one
Carlo