I am a Tyros2 and S900 owner ( besides the PA800 and SD5), I guess really depends on the needs of the Player, for myself, have made the transition from the Organ, the Console Organs have usually 2(sometimes 3 Keyboards) that are 61 keys each, to me, is fine 61, BUT now that I am taking PIANO lesson, I can understand the predicament that the players coming from the Piano into keyboards.
For now, I am please and happy with 61 keys and as long they provide an Octave shift control that I wish be more like the KORGS in the Yamaha, if you tap either the up or down more than one time, the octave will do also in the KORGS....not in the Yamaha, I know, there is a way but you have to go into the Mixer window and change it there, that defeats the purpose to have a dedicated button, to me, it works BETTER in the way Korg made it to have MORE Octave RANGE.


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mdorantes