Of course the corollary of new models being introduced is that there will be some great prices on the old models.
The S750 is a great keyboard...essentially an S910 with much better speakers, but minus the harmonizer/microphone input. If I hadn't got such a sweet deal on my Tyros4, I might be playing an S750 today. I really liked the S910, so the S750 would have been the obvious choice.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.