Wii type interface without the controllers

[Kage]

Has anyone seen this yet?:

http://uk.media.gear.ign.com/articles/855/855511/vids_1.html

Just thought I'd post it up, but it seems like something that could better the Wii in terms of interactivity, and could work on any platform.

Not saying thats a good thing or not, because the Wii is very successful and I like it, but its definietly a sign of whats to come.