I'll stick with the Digitech VR for now--haven't heard any onboard vocalizers that sounded nearly as good. The PSR-3000 and Tyros vocal processors can be fine tuned to sound fair to good, but they'll never get into the excellent category. I have not heard the T2's vocal processor yet, but I understand it is the same one used in the Tyros.
Cheers,
Gary
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Travlin' Easy
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)