Whats wrong with the good old dos/cpm days whne you just had a peice of card that you plonked over the keyboard to show what functions the buttons had depending on app used...
[nerdmode]but saying that... this is like so much cooler.....[/nerdmode]
__________________
Also looking at it, I can imaine it will be expensive at first but there will be cheap rip offs, with mono lcd displays etc.... watch the trust product pages