I am have not long been a PA50sd owner and can say I am happy with it. Plenty of Third Party Styles avaialable am still finding my way round it. And it definatly goes down well in the Nursing Homes That I play in. And it even pairs well with my old Solton MS60.
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Gem Wk4, Solton Ms60, Technics Kn5000, Korg Pa50sd, Yamaha Psr k1, Tyros 4, Korg Pa700