If Yamaha did not intend the T2 to be a 'professional' instrument, they would not try to charge $4k for it. For that money, you should get a professional build quality, something that Yamaha have no problem finding for their MUCH less expensive Motif line. Face it, guys, you've been had.......

Roland, Korg, Ketron, Wersi, nobody else expects you to put up with an inferior build quality on their top of the line arrangers.......

As to Donny's used G70, all I can say is GET A CASE.... My G70 has been gigged extensively for over a year, up to 10 gigs a week, and looks like it came out of the box. No amount of build quality will help you from breaking knobs and sliders if you don't transport it safely.

No wonder dnj goes through so many arrangers - he has to keep replacing the ones he's broken?
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An arranger is just a tool. What matters is what you build with it..!