[vunderba]

Awesome. I want to marry this with a concept I had a while ago around a computer keyboard with pressure sensitivity that adjusted the font size in proportion to how hard you struck the keys.

I like the idea of being able to enter into BILLY MAYS MODE just by furiously typing.

[JimmyAustin]

You might have to mess around with the software to figure out the details, but from a hardware perspective a hall effect keyboard should be at least able to infer the speed a key is travelling at when bottoms out.