I'm contemplating having an old main sail cleaned and re-resined. I'm trying to coax another year or two, at least, out of this 20 year old mainsail. Has anyone out there had any experience, good or bad, with this process? The sail presently has no rips or tears and no obvious wear spots. I got the sails with the boat about 15 months ago - it's an O'Day 192 from 1985. I'm replacing the jib and roller furler (CDI)this winter, so the budget would like to make the main serviceable for another year or two.Suggestions of comments?