Dnj -
Absolutely nothing! I've tried most of them and really think the 3000 is best for the money. My budget is in the middle, so can't have the Tyros, 70 or those. I also loved the VA, so waiting for the E-50 or 60, 'cause I lean towards Roland.
zuki
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)