Surfing the web for cool stuff, this article on Telepresence Options caught my eye.

The uses for “holographic” videoconferencing…long a dream….are pretty obvious.  I would suspect that the need for 8 cameras around the users would be a drawback, but, heck, if you can afford a fancy telepresence system, why not splurge and spend a few thousand extra bucks.

http://www.youtube.com/v/KY554654OhQ&color1=0xb1b1b1&color2=0xd0d0d0&hl=en_US&feature=player_embedded&fs=1