John Carmack did a pretty fascinating segment about his work on something to this effect with a head mounted display at QuakeCon this year http://www.youtube.c

John Carmack did a pretty fascinating segment about his work on something to this effect with a head mounted display at QuakeCon this year http://www.youtube.com/watch?feature=player_detailpage&v=wt-iVFxgFWk#t=3935s http://www.youtube.com/watch?feature=player_detailpage&v...