Here are the 2015 (fall 2014) Viper sail specs and prices for:
Dieball Sailing
Doyle-Boston Sails
Mauri
Here is the 2015 (fall 2014) specs and prices from UK Sailmakers and regional pricing from Hyde Sails:
Here's a link to the Ullman specs and prices. http://www.ullmansailswestcoast.com/One_Design_Center/Viper_640.html
North specs and prices coming shortly.
North Sails 2015 specs and prices.
Buttons - Thanks for pulling all this together. Great to see some many sail makers supporting the class. Great time to get sails for next season