This thing is truly amazing...Can`t wait to buy it for me)) I read in interesting research about how it influences on our brain and I was really surprised: it stimulates our brain the same way as it`s is stimulated by the thing from non-virtual life...You can sneak a pitch here if you are willing to find some interesting researches related to this theme of just interesting articles...At least I found this article with this website help.
P.S. don`t destroy your house while playing the VR-your real space in limited :D