I know

I prefer to have 128 (considering Casio's already using this on other models).., but 64 is better than 32, and better than 48

I just need to see where they price these puppies at. The WK-7000 is on the table for me.., but only if it's priced right, and sounds good. I hope the effects are comparable to the WK-3500. The 3500 had one of the BEST distorted wha guitar effects I've ever heard on ANY keyboard to date.
Sqk
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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.