This DVD contains the katas Gojushiho; Teisho and Koryu Passai, (also called Passai Guwa) and bunkais and oyo bunkais for Pinan katas; Passai sho and Naihanchi Nidan.
Cost: $20 USD (includes shipping)

This DVD features Senseis Roy and Margaret Paul demonstrating the requirements for each belt up to sho-dan.
Cost: $25 USD (includes shipping)