http://www.microsoft.com/surface/
Looks like MS is going to bring to market some of those multi touch concepts we have been seeing in videos in the last few years.
http://gizmodo.com/gadgets/sticker-shock/video-of-bill-gates-showing-off-his-expensive-table-264453.php
$10,000 price tag.
Initial target is retail businesses.
Applications for tabletop gaming would be a big time seller for something like this, if it were cheaper.
However, I seem to recall getting a crick in the neck from playing tabletop arcade games ;)