Multitouch Without Touch Using Wiimote
owlgorithm writes to mention that Gizmodo has a neat hack for the multitouch Holy Grail — multitouch without the touch. This hack turns the Wiimote into a receiver for IR light reflected from an emitter off of your fingers using reflective tape.
I can see this owrking really nicely with a glass table.
Who says you have to aim at the tv?
It might work coming to the actual glass surface which means you could lay your arm down and rest it like a mouse but you have the third dimension when you need it.
liqbase