Diki,
I should mention that in spite of the complaints /issues with the PSR-900 that seem to be concentrated in the USA (and seem to stem from mishandling after the product has left the factory), the S900 is a whopping success here in Canada and it seems to be just as much in Europe.
I have had not one complaint about the PSR-S900's construction or operation...not one.
If anything, I have received many praises about the incredibly realistic sound of the SA and Mega voices, the Audio to USB recording, the excellent user interface, the fine onboard speakers, and the well programmed styles to name a few features that continually impress new owners.
Most of all, the highest praise seems to be the ability of the S900 to have most of the features of the much more expensive Tyros2 for an amazing price.
It is very nice of you to take the time and point out areas where YOU think Yamaha needs to improve their product line, but with the unbridled success of the Tyros2 and now the S900, I have a strong feeling that they know what they're doing.
Once again, thank you for your interesting post.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.