Forget it, we'll never get that, the MOD has just spent it's budget for the next 30 years on BOWMAN. Remember it has to at least 10 years out of date before the MOD buys it. You'll just have to be happy with COMBAT.
That technology is just a simple extension of the mouse and is not new - why would you use your hands to shift things round on a screen when you can do exactly the same with a mouse. (Im talking about the home user here) This is another example of technology not allowing you to see the forest for the trees.
I can however see some use in schools for Mr Teacher but other than that pretty limited Id say.