EPT will allow for keyboards to be projected, and your fingers to be the mouse on flat surfaces. This advancement in hardware technology should have a lot of benefits; like portability for the average person, and less cross-contamination in medical sensitive environments that require multiple people to use the computer.
What do you think? You can start picking these up at ~ $100.
I think the systems are kind of bulky right now, but once adjusted in the future, could be of more use than the traditional mouse and keyboard.