Steam will begin the beta for its home streaming system this year what's left of this year, at least with candidates chosen at random from members of theHomestream group on Steam. In-Home Streaming will allow users to stream games from one computer to any other in the same house, Steam says.

Steam In-Home Streaming is the backbone of Valve's Steam Machines, its customizable gaming hardware, and SteamOS, its Linux-based operating system. With all of these pieces, Valve hopes to create open, in-home gaming networks connecting the desktop to the couch.

http://www.joystiq.com/2013/11/11/st...ens-this-year/