Valve announced Steam Machines today, a hardware beta for its living room game console that launches at some point in 2014. It's the second of three planned announcements this week meant to expand the company's digital game distribution service, Steam. The company's issuing just 300 hardware prototypes in 2013 -- "free of charge, for testing" -- and you can enter to become of those lucky 300 through your existing Steam account.
Valve says that a variety of "Steam Machines" -- the new name
