Tim:

The Pairing either the PA800/588/ to the T3, is a win win situation!!.
I do not want to get in pissing contest, that is not my thing, BUT, NO single manufacturer, regardless of the name/model, makes the "perfect" arranger, since we ALL have different taste, needs, level of talent, skills and do not forget that we are talking about something "subjective" to the sole individual.

I like different things/features/sounds/styles of each individual manufacturers,
I am OPEN minded, but in the end, I can not carry 4 or 5 keyboards to each job, so, I made decisions on what keyboards will do certain things that I expect and so on.
That is how I arrived to the formula of this 2 arrangers. I do not understand why some players have 2 keyboards of the same brand and model in the stage, that is redundant,(unless is a backup).
Think that you are an artist that needs ALL the shades of each color=sounds, that's how I see it, sometimes I may need a darker, brighter, or wherever sound, and having 2 different sounds(tone generations) is easier to find what you want.

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mdorantes