I'd say all you suggestions are possible Donny, except for the tilt screen and Neutrik DUAL mic inputs w/seperate volume...you may see a panel volume control like the Tyros.

The newer MOTL arrangers always have had a feature that weren't on the previos Tyros...the 3k had USB to Flashdrive (T1 didn't have it), the S900 allows digital audio recording without a HD(T2 needs an optional HD).

An MP3 player could be a possibilty...the S900 already has a Wav. player.

Black cabinet may be in the next gen, but I doubt if they'll offer both black and silver...it will be one or the other.

Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.