Hi Scott,
The PA has a fair number of jazz styles. I think you'd be disappointed though. The useful ones are terrific in their design and some talented style makers show their stuff. But I would say that this genre is the least impressive in the style dept.
Many have picked apart the PA so-called style glitches. This is so unfair. There are just a FEW bad ones (mostly in this genre), but overall, the other ones are, IMO, unparalleled for creativity and beauty.
The more years I have this board, the more new styles I try out. And man did I underestimate some of these. You just find creative ways to use them. They ARE ALL DIFFERENT - this is the big difference!
You, of all people, should get your hands on a PA for a month and I know you would go nuts on the complexity of this outstanding sounding board.
As soon as I get my Q3HD, I'll be posting some live playing on my YT account again.
I have to disagree with Nick on the touch screen. Mine is lightening fast and I would never go back to non touch.
Good luck.
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Live: Korg PA4X/Bose L1 Pro 8/Senn 935
Studio: Korg PA4X/Kawai MP7SE/Tascam DP24SD/Sony C80/AGK 214/ATEM Mini Pro switcher/