They used to pop up on ebay with some regularity. I sold one last year for somewhere between $100 and $150 if I recall correctly. Do a recurring search on ebay and I'd guess you'll find one withing a couple of months.
Previous: 1993 Prostar 205
Red 1998 Ski Nautique, PCM GT40, 310 hp, , Acme 4 blade, Perfect Pass SG/Zbox.
Be kind. Have fun.