What a spread of opinions
This is a fantastic instrument. Period. Action is outstanding. No question. I own one since December 2015 and played it with AKG 702 reference headphones from Beyerdynamics. The piano sounds didn't really convince me that much in the beginning after having access to a multitude of real uprights and concert grands. But ... last week I decided to end my headphone times and get some real speakers: A pair of Genelec 8030Bs reference monitors combined with a Genelec 7050B subwoofer (for those really low tones and fat piano body resonances). Man, was I blown away! I just closed my eyes .. and there it was. I just coundn't believe what I had been missing all these months. Besides the lack of the vibrations from the missing strings you just can't get much closer to the real thing. I'm just happy.