http://www.economist.com/news/science-and-technology/21662481-virtual-reality-flopped-1990s-time-its-differentapparently-grand
Each firm hopes that its headset will become next year’s big consumer product for geeky early-adopters. So far none has announced prices, but a few hundred dollars for a full rig seems a good bet. That is well within the means of many people of the sort likely to be attracted to VR, and has led some to suggest it will be the Next Big Thing in consumer electronics. Digi-Capital, a consultancy in San Francisco, reckons the market for virtual reality could be worth $30 billion a year by 2020—if, of course, people actually want to buy it.