If it's been well oiled, age shouldn't be a problem. As previously mentioned, if there are features you'd really want which it doesn't have and can't be added, like stitch regulation, computerization, etc. that would be a deal breaker, because you'd end up unhappy later. As for the asking price, see if you can phone APQS. When I bought my used Gammill, I phoned Gammill and they are able to tell all previous owners of any machine of theirs by the serial number, and they are able to give you a fair price for that particular machine. Maybe APQS does the same?