Hi, using the Hard drive I think is what I would use, I had my Korg PA60 for almost 2 years and I am very happy with it, and in around 2 or 3 weeks, I 'll be getting the PA1X.
I got hired full time at a Restaurant in Sun City Az, besides my Tea dances and work at the music store, that is why and I am getting double equipment and upgrading my 2 current boards, the PSR 3000 (eventually change for a second Tyros2)and the PA60 into a PA1X (also will get a second one later), I work with both, so I have a nice pallete of sounds/styles/atmosphere/etc.
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mdorantes