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Don't know about NE but out here on the left coast, anything under 3k would be a good to smokin' deal depending on the word "great". Anything over 3k and the word "great" might/could/would justify the expenditure in increments of "great conditionness".
GREAT condition and under $2500??, don't even flinch, just break out the checkbook!
If I was a bit closer to you, I'd be asking to come over for a look! Just so happens I have a little 16 aluminum Fisher Marine bass boat that the 50 would just about be a perfect match for. All I can say is that you must be livin' right my friend! Don't forget to pay it forward a bit.