He's waiting on an actual prototype but has been able to share a interesting looking CAD model of it.
It looks like the sensor will return the position of where a stylus is pressed (I'm assuming that this means it is resistive rather than capacitive) and might have some space where you can print out your own button decals to place underneath it.
More info over at botbench - http://botbench.com/blog/2011/10/05/coming-soon-mindsensors-touch-panel-sensor/
According to the Mindsensors 'Coming Soon' page it will be shipping by the end of the month. (Although they don't state which month :D )