What are the best VR headsets?

What are the best VR headsets?

HTC Vive
Playstation VR
Razer OSVR Hacker Dev Kit
Oculus Rift
StarVR
Sulon Q
Fove
Three Glasses D2
GameFace EP1
Claire 22M
Vrvana Totem
Sensics dSight
NeoPro
Immersion-Vrelia BlueSky PRO HMD
Immersion-Vrelia Pro-DG1 HMD
Google Cardboard
Samsung Gear VR
Avegant Glyph
Oculus Rift DK2
Oculus Rift Crescent Bay
Sulon Cortex
Panasonic VR
Open DoVision
Antvr
Claire 12M