Where's my hoverboard? And other movie tech we want now

Minority Report's interactive display
No more keyboards or touchscreens, just your fingers, the air and a lot of pretty pictures. There are a few working prototypes of this kind of technology out there, but we want it right now.

Where the hell is it?
A very clever research scientist for New York University's Courant Institute of Mathematical Sciences, Jeff Han, presented a multi-touch interface at a TED conference in 2006 that could easily evolve into a Minority Report-style interface. All it would need to take it that step further is a touchless input technology. 

I want one now!
A mere £179 will buy you a Wii. Microsoft has that stupid table thing, but it'll be a while before you can buy one, apparently. Or you could opt for the HP TouchSmart IQ770 desktop computer, which comes with a large touchscreen that can be swivelled about depending on the angle you want it at. You still have to touch the screen, unfortunately -- waving your hands around it will just make you look silly.