Framework should beg Sensel for a blank touch surface...which you could press a couple of macro keys to entirely transform the surface with.
users print out a custom layout to guide their fingers.../dream
That being said, the company was acquired by Apple and turned into the iPhone and iPod Touch. The keyboards were effectively museum pieces at that point. I wonder if the patent situation would allow for third parties to revisit the design. It'd be interesting to see what could be done with by borrowing ideas from the programmable keyboard community and mobile touch hardware.