Looks nice as a novelty (if I had the money, I would surely like to showcase this in my drawing room) - but totally impractical for an actual game (wont be able to discern which piece is which). Good for blindfold training, though.
Cube-Based Chess Set
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I saw this today and thought it would be amusing to post: http://gizmodo.com/5437367/cube+based-chess-set-adds-modern-confusion-to-timeless-difficulty
The chess set looks modern and cool, but when playing the actual game, I'd much rather take the standard Staunton set...