Oculus Quest - $400
Pay $399 and have what cost $2400+ in 2016. First consumer ready 6DOF standalone VR HMD.
Vality - 200 grams
High FOV, 6DOF, light weight HMD, less than half the weight of Rift or Vive.
Strat - A system built for productivity
HMD are going to be more portable, more powerful and more affordable in 2023. People will start to use VR HMD as personal computers for productivity.