This must be their scaled down version for tablets. When I think of Windows Surface, I think of the giant interactive table top screen, like the one they use in Hawaii Five-O.
http://img01.imagecanon.com/_upload/img/7/vlcsnap-2010-12-22-22h44m05s66.png
http://gearsofbiz.com/wp-content/uploads/2010/11/surface1.jpg