Buy One Rain-X Wiper Blade and Get One Free at Pepboys Auto. Essentially, buy two Rain-X Latitude or Weatherbeater blades and receive a rebate equal to the amount of one. It is listed under Accessories and Lighting section of the rebate form (2/1 to 2/28). This tool can help with the selection of the correct wiper blades.
Originally posted earlier, this is just a friendly reminder.