For programmers, are mouse and keyboard still going to be king? I can imagine that maybe the mouse could be replaced or supplemented by a camera that matches where you're looking at to a cursor position. This should be faster than mousing around.

For text input the options are a keyboard or voice input/brain input. I don't think the majority will move from QWERTY anytime soon, and voice input may not take off for the simple reason that you're making noise. Brain input might be interesting.

As for any fancy ways of generating programs (plugging components together), you will likely still need to go to a textual level to capture all the detail, so no real application for anything touch sensative there.

As for what form a keyboard might be, your touchpad could generate a virtual keyboard when you need it (and have smart materials to give tactile feedback) and fade back to a touch system when you don't need text input.

I imagine you'll still need an ergonomic setup and regular breaks to avoid occupational overuse syndrome.