So what's a fair amount of time? Ten minutes or so? If I'm going to post a review on a keyboad, I spend a reasonable amount of time on the unit.

When I demo a keyboard I don't just listen. I listen and look--I check everything from sounds, features, and cosmetics.

I think my review was fair. I didn't say it's a bad keyboard. I personally feel the Casio WK-8000 is more of a bargain, and would also have comparable sound quality as well--given the WK-8000 has the soundset from the more recent WK lines--along with some other goodies.

Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.