Yep... If you are prepared to lug around two or more keyboards to a gig, there are LOTs of ways of getting a good sound with little compromise.

But I am talking primarily if you have to use just the one.

I ALWAYS use strong ATA cases for all my keyboards (just too used to road conditions to risk anything flimsier) so a multi keyboard rig, even if using pretty light keyboards (which the XK-1 is not - 15kg - way more than a PSR!) once you add in the road cases is WAY more than my G70 alone. Some feel that multiple medium weight cases are better than one heavy case. I feel the opposite (opinions vary!)...

But, whatever floats your boat. At least the choice exists, other than a 76 from Yamaha...!
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An arranger is just a tool. What matters is what you build with it..!