Sounds like you have nothing but bad luck. I can honestly say I've had NO problems with my 3K and lug it in and out of the car/house over 50 + a month. Sorry to hear about the sticky 900 key - yikes. Good luck with the T2 - you need it
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)