If I was gigging in a band, I'd probably use a workstation, perhaps a Motif or Kronos.
But, for my own home entertainment, and some personal single man gigs, the arranger (the Tyros4) is my first pick.
I just like playing more than tinkering or tweaking.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.