I have a 1999 18’ Prindle with the original sails that require replacement. I was wondering how universal cat sails are with other 18’ (Hobie, Nacra....vs. Prindle)? I am not racing or require precision, but I would need the sail to be compatible with my boat. Thank you for any advice you may have on this subject…..even, a good place to locate lightly used sails at a good price point. Cheers from Florida!