Sonically, it's close. Not there yet, but soon.
Editing wise, well, there IS no editing audio styles!
Don't get me wrong... I'd love an Audya. I wouldn't buy one, though! Sub-$1000 arrangers are giving it a run for it's money (guarantee the audience don't care!), and the additional $2000+ I'd save goes a long way!
Spare one of your for me to try for a while (I got 1000 miles to drive to hear an Audya in a store!)? LOL
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An arranger is just a tool. What matters is what you build with it..!