The most recent Oculus Connect event (the third and largest yet) has been lauded as bringing us closer than ever to the future promised for virtual reality or VR. There have been many hardware moves by many players, both recently and over the past year. Who's in it to win it? How far are we from the "holy grail" of headsets that will truly mainstream VR? Will the killer app -- or layer -- for VR be social? And is there enough enthusiasm and activity to get us past the "trough of disillusionment" that inevitably follows the "peak of inflated expectations" in the hype cycle for new technologies like VR?