I wouldn't be surprised to see them directly replace the old surface with the guts of the new one integrated into a 60" multitouch TV (for both table and on the

I wouldn't be surprised to see them directly replace the old surface with the guts of the new one integrated into a 60" multitouch TV (for both table and on the wall use) and scrap the IR object detection for a kinect based solution. Of course this would leave them with the cost of a huge multitouch panel.