That's not really an issue, it works very well at the moment without making people sick. The technology will improve and the costs will go down ($400 now for the Oculus Rift + Controllers vs. $800 original cost)
The big thing is getting quality games, and there are some there, but most of the time they're short experiences since developers are reluctant to put too much into a game that won't be able to sell a lot due to the smaller market.
The big thing is getting quality games, and there are some there, but most of the time they're short experiences since developers are reluctant to put too much into a game that won't be able to sell a lot due to the smaller market.