Maglev turntable

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Have a look at this: http://www.whathifi.com/news/mag-lev-aud...e=20161118

Want one?

Looks interesting but in practice i'm not convinced....yet.
A lot of us with vinyl spend a lot of time getting the table perfectly flat (spirit levels etc.). I'd be interested in how much vertical deviation you get as it revolves. I think there will be more than on a traditional table.