RE: What traditional shooting dvd or video to choose?
As far as which video to choose they all shoot different styles, depending on what style you want to try. If it was me I would go to ebay and you could propably get all three for the price of one from a sporting goods store then you could try all three and see which style fits you the best. The easiest way to measure your draw length is to make a fist on the wall with your bow hand and draw and imaginary string to your anchor point and have a buddy measure the distance from the wall to the anchor point.
If your bow is 45lbs at a 28 inch draw your propably losing about 3lbs per inch of draw length under 28inches. Bow scales are inexpensive or if you don't want to by one most pro shops have one you can use. I hope this helps.
Good Luck and Good Shootin