[Eyes2design]

I think its would be a great experiment! I can see this working with a XI3, some solar panels, a large pack of Li Ion/Li Polymer Batteries, and the software to have a 3D landscape for 3D desktop. Last how the hell you program? invent keyboard that require only 5 fingers in a single space... (Ender's game)

[JackMorgan]

Good news, such a keyboard is already over 30 years old! http://www.loper-os.org/?p=861

[Eyes2design]

Need to bring it up to a OLED touch screen and improve non button functionality.

[VikingCoder]

I own one.

http://www.handykey.com/

Not very ergo friendly, for my large hands.