Yeah, I think you'd be better off with a workstation. Korg, Yamaha, and Roland make good ones for around $1000.00

I had a Yamaha MO8 and a Korg N364 that I just sold- I really liked them but I just didn't use them much... I'm an arranger guy now.
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It not the keyboard, it's the keyboardist.

www.youtube.com/channel/UCV94i--V-A8kZShmGTKyDOw