Sony Design

Viable future alternatives to the keyboard interface... Not only the content of the page, but also the interface of the page itself is quite good.

http://www.sony.net/Fun/SonyDesign/2003/index.html

Keyboard with screen on each key

Heres a keyboard where every key has a screen. Chk out the site.
http://www.artlebedev.com/portfolio/optimus/