Get both the book and DVD, learn how to fit your horse to improve performance and comfort. Get the details in the book and see it come alive in the DVD. Or give the DVD (or book) to a friend for Christmas and keep the other one for yourself.
The most complete information about saddle fitting in the world by an unbiased author, who has no affiliations with a particular saddle company. Dr. Harman's favorite saddle is one that fits, be it fancy and expensive or cheap and comfortable. This book is getting rave reviews in all the equine publications.
Learn all the details, be able to tell if someone is trying to sell you something that does not work.