katrina dvd is advertised as available in miss. stores. i visited 2 stores and neither store had the advertised dvd. i have sore knees, 67 years old and shopping is very difficult for me especially when the product is advertised on tv as being available and clerks know nothing about the dvd. i wanted to give it to my daughter for her birthday 8/2/10, but was unable as it was not available as advertised. read full review »