Before you buy sails, you may also want to consider the condition of your bottom.? I know I had the greatest improvement when I stripped off the 20 years of ablative paint and applied a new barrier coat and VC 17.? Check out the attached link.
http://www.destinationonedesign.com/prep/index.aspx?chapter=4be5c032f78344b6b91906071f4c08b1
