TreeHugger has shown many desks that disappear, but Steven Johnson's design for a transformer desk that rotates into a sofa has a lot going for it. I am not sure that integrating a television and entertainment center was such a good idea; one usually wants to sit on the sofa when watching TV. But hey, there is the transformer Ottoman to sit on.
Steven M. Johnson designs transformer furniture for the home/office
We have been showing these for years, but the artist/inventor beats us to the punch again