Just a suggestion, but have you considered waiting until after you are SURE 100% that the PA2x is the keyboard of your dreams...?
This forum is FULL of folks that, once the initial 'wow!' factor wore off, deeply regretted the move and wished they still had their original keyboard.
Can your finances stand to wait a few weeks to sell, until you are SURE?
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An arranger is just a tool. What matters is what you build with it..!