I have been making instructional DVD's for my students for some time now and they seem to be very helpful. What do you like to see in an instructional DVD? (please give details!) What are the key things you look for that will help you in learning? What have you seen in DVD's that you don't like? I know prices may differ in different areas, but what do you consider a fair price to pay for a good video that will assist you to your next rank level or just will teach you useful information? I look forward to your replies!