Currently available for preorder at sensel.com, the Sensel Morph is a multi-touch control surface 20,000 individual sensors with interchangeable templates - anything from qwerty keyboards, to drum pads, to pad sets, keyboard and controller sets.
The interchangeable overlays are automatically sensed so all you have to do it drop a new one and thats what it becomes. They will also be releasing a roll your own overlay feature where you can design and print (via 3rd party) to make custom interfaces.
Shipping in February, its priced at $249 and comes with one cover of your choice. Additional covers can be purchased at $24.99
Affordable workstation type keyboard