Have you tried an Oculus Rift? I did, and I had the same "this is awesome!" reaction most people seem to report. Having more 3d space show up when you turn your head around is a big deal, as is having the 3d world take over your entire field of view.
There might be fatigue problems that show up with long-term use that we haven't seen yet, and strange cultural reactions to the way the headset user becomes totally isolated from the surrounding real world, but the initial reaction where almost everyone who tries it on thinks it's awesome predicts at least a fad success.
Initial reactions do not seem to be a good predictor of success. After the initial novelty wears off, users do in fact report problems such as low resolution and discomfort (dizziness, headaches, vertigo, and nausea). See for instance this review and many others that can be found with simple google search.
3d television users also initially reported "this is awesome!" reactions (for similar reasons), but it does not seem to have caught on (also for similar reasons: poor resolution and discomfort).
As mentioned in that review, it also depends on how...
It's time to look back to see what was predicted a year ago and how successfully it was.
But even more, it's time for the fresh predictions for the following year, 2014.