According to Gizmodo, the UI is called g-speak, and the company that is working on it – known as Oblong Industries – employs the person who advised Spielberg on the creation of the interface for the movie Minority Report as one of their board members. Described as a "spatial operating environment", g-speak has a wide range of possible applications, from collaborative work, CAD/CAM and media manipulation.
Check out their amazing demo video:
So the only question that remains is, even if you could have an interface like this, would you want to use it every day? Most of the tasks demonstrated could probably be done with much less physical effort using existing PC peripherals. What’s your take?