"Back in 2007, 3D was in the hands of hardcore fringe enthusiasts, and reliable information was very had to come by." ?
http://en.wikipedia.org/wiki/Virtuality_(gaming)
Virtuality is a line of virtual reality gaming machines produced by Virtuality Group, and found in video arcades in the early 1990s.[1] The machines deliver real time (less than 50ms lag) gaming via a stereoscopic visor, joysticks, and networked units for multi-player gaming.
Initially introduced in 1991, the systems were developed for industry, where the first two networked systems were sold to British Telecom Research Laboratories to experiment with networked telepresence applications. Many other systems were sold to corporations including Ford, IBM, Mitsubishi and Olin. Professional virtual reality systems included the launch of the Ford Galaxy in virtual reality and a virtual trading floor for the London International Financial Futures and Options Exchange (LIFFE).[2] However, the users' thrill of talking and mutually interacting with each other as virtual characters refocused the company's direction.....
http://www.cybermind.nl/Our%20Products/VR%20LBE%20Systems/visette_01.gif