What arranger(s) and non-arranger(s) do you think are (or have been) the best for live performance?

The two I've owned and liked are:
Korg iX300 - just didn't care for the thin sounds.
Roland VR760 - it's the best all-around keyboard I've owned. It's so simple to use, and the B3 sim is the best.

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Cass Pawlowski - Motown
PSR2000, VR760, SC88
Cakewalk, PowerTracks, BIAB
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Riding on the Avenue of Time
cassp50@gmail.com