Continuing on from the last post, the short video above provides an interesting parallel alternative to the 'Beautiful Modeler' version of a haptic (G)UI. Here the 'arm fatigue' (as mentioned by Steven Jobs a while back) of using a haptic interface on a vertical screen is avoided by smoothly unifying it with the horizontal plane.
If it only now can be made to fit a laptop and we're on to something (potentially) truly worthwhile and interesting...