This looks more like the upgrade from the PSR-2000 to the 2100. For those who've been wanting an S-900 (and don't own it) would benefit from the S910.., but is it really worth the money in the upgrade for current S900 owners?

A good thing to take note of is the bump up in the S-710. They upped the poly to 128.., and I even see USB audio recorder on there too.., and added some S-900 voices to it.
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.