Or maybe the people that ARE gigging without problems are just too busy gigging to post about it here...

So far, I haven't seen any dealbreakers yet. The ODD HD problem, the issue of going from drawbars to regular sounds...

Nothing that can't be worked around, AFAIK.

I can't think of one of us that isn't making SOME kind of workaround for a feature we would like to see changed or improved...

For all its' issues, I have still yet to hear an arranger that sounded as live and ballsy as the Audya demos are. Doesn't necessarily mean I'm going to get one (I would usually wait for the OS to stabilize, anyway), but at least I AM willing to make the comparison.
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An arranger is just a tool. What matters is what you build with it..!