I went to the PSR 9000 launch last week. I'm not posting the full specs here, for reasons of being a Yamaha engineer/dealer. It's good. If you want a bit more info, you can email me. Brochures are currently available (for dealers).

Try:

stick_boy42@hotmail.com

(Hope you don't mind if I don't give my *REAL* identity out...) ;-)