Looks like it's possible to buy (or at least pre-order) a Clavia Nord Stage
here I agree with Paul Davis that, if one is looking mainly for acoustic piano sounds, the Promegas can be a better option (and a cheaper one too...)
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Korg Kronos 61 and PA3X-Pro76, Roland G-70, BK7-m and Integra 7, Casio PX-5S, Fender Stratocaster with Fralin pickups, Fender Stratocaster with Kinman pickups, vintage Gibson SG standard.