Actually, the "tabletop" I picture is the big touch-table computers. Id love to be able to move my armies by actually using my hands on a big map, then be able to zoom in, or pick up a unit to examine it.
http://www.youtube.com/watch?v=7qDOR...eature=related
or one of the big white boards using the same technology.
Or even the Air Table
http://www.youtube.com/watch?v=ynB27...eature=related
Of course those are just until the finish the HoloDeck or Matrix whichever comes first.