Juste before the PX560 I played a Clavinova CLP 370 (2 sensors, 4 levels of dynamics, bought in 2009).
Of course, it was just a piano (it's why I bought the Casio), but in terms of keyboard (feeling and noise), the Yamaha was, IMHO, much better to play the piano.
I think that the LSR 305 are unbeatable for the price too.
But I don't like their aesthetics, and they are definitely too big. I ordered the Presonus Eris 4.5 witch are a good bang for the buck. For sure the JBL are better in lower frequencies, but the Eris are not bad at all
Their little weakness : a slight hum is audible when I power them (probably the transformer), but I forget it after a few seconds.