In all probability the ones that will upgrade to the Tyros3 will be Tyros1/PSR-3000 owners...maybe even a few S900 users as well.
Tyros2 users will most likely wait for Tyros4.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.