The most compelling VR content available is still largely out of reach for most consumers – the high-end headsets needed for access have not been widely adopted, yet. Content accessible via the likes of Oculus Go, Vive Focus or Google Daydream has its purpose, but the quality of experience is limited by the technical specs of current mobile devices. The premium VR market, on the other hand, is still held back by cost of headsets. .... http://rewind.co/news/location-based-virtual-reality-provides-growth-opportunity-vr/
I think there are a lot of issues with the conclusions of this "hastily" written article - trying to play catch-up reporting on a sector brings some errors into the mix - but at least its a start.
I am not sure of those of our newer posters on this forum will be aware that The VOID platform uses Oculus CV1 units modified to be hosed in their "Rapture" helmets: