Best of luck with those. I really hope they come, soon. The PA800, especially now OS2 has arrived, is one of my favorite potential pieces of gear to get. SA capability (and user programmability of it), a really well integrated Guitar Mode (I love the Roland's, but you can't use it in style mode), sampling, it's got a lot going for it. But two or three fills per style, now that I'm used to the G70's seven (and still wish I had more! ) on a four variation arranger seems unnecessarily limited, and having to load a BANK up just to audition one style again seems old-fashioned.

To be honest,there really isn't that much to fix to make the Korg's a LOT better. It's just they have been dragging their feet for quite a while on these issues...

Things to ADD might be quite a list. Given Korg's willingness to cross pollinate arrangers and WS's, though, maybe now is the time for them to leapfrog ahead of the competition, and start incorporating some arpeggiation and loop playback features from the WS line, and finally give us the 21st century arranger we all have been waiting for...

Of all the main manufacturers, only Korg seem to be willing to let an arranger seriously compete against their WS line...
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An arranger is just a tool. What matters is what you build with it..!