I first encountered Sifteo Cubes back at IndieCade last October, and spent some time playing around with the little blocks which I first mistook for iPod Nanos.
The "little magic blocks" have garnered attention from some interesting game developers. For example, Magic: The Gathering creator Richard Garfield–arguably the single most influential game designer of the past few decades–is working with the platform.
A lengthy write up in Kill Screen Daily asks if Sifteo is the new Nintendo, and while I wouldn't jump to that conclusion there is something about the potential trapped in this form that makes me think the developers may have something more than the next Tamagotchi on their hand.
This promo video goes a long way to illustrating this potential:
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