|Because it works here doesn't mean it will work in your lounge|
(Image from Wikipedia)
I'm not saying that VR won't happen - it probably will. But I suspect it will only really become mainstream when it can either be done passively - using a large curved screen, for example - or if the headgear is so light and unobtrusive that we really don't care that it's there.
What amazes me here is the inadequacy of those who have the job of guessing whether or not a technology will be popular. Admittedly, future gazing is no exact science. We will always get things wrong. As I've mentioned before, Alvin Toffler's book Future Shock was huge in the 70s, but wildly inaccurate with its tech predictions. And wonderful though the movie 2001, A Space Odyssey is, its technology predictions are a lesson in how to get it wrong.
I'm not claiming any great ability as a futurologist. But sometimes it's easy to see that there are some experiences that don't translate well from a special location or event into everyday in the home. And VR as it currently stands is one of them.