Earlier this week, Valve teased a new "hardware system" called SteamVR, which it plans to demo at the Game Developers Conference next month. We still don't know what the thing is or what it looks like, but the guys at SteamDB spotted the following image on the Steam Universe signup page:
That's either a very awkward musical instrument or, more likely, an Oculus-style VR headset. For the record, the Steam Universe page is where Valve first mentioned SteamVR—and where prospective GDC attendees can sign up for a demo.
More will (hopefully) become clear next week at GDC. The show kicks off on March 4 at the Moscone Center in San Francisco.