Yeah, that's similar to the set-up we saw; I did see it some months ago but figured it would be rubbish to look at so I was a bit surprised to find that the technology is more advanced than the old style red and blue plastic lense set-up of yesteryear.
Pretty sure in a decade or so they will be the in-thing and will have dropped in price; though, not a necessity, it may be the way things go.
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Doh! 
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