The keyboard and mouse ruled the user-interface in the last couple of years.
The launch of Microsoft Surface marks the beginning of a user-interface revolution. Surface provides effortless interaction with digital content through natural hand gestures, touch and physical objects. Nice!
Imagine the possibilities to combine surface computing with broadband streaming, immerse reality or 3D!
Considering the gaming applications you should check out the Philips Entertaible concept. It is a tabletop gaming platform that marries traditional multi-player board and computer games!