They are less tippy, since you are sitting below the waterline. It takes greater skill to control the finless surfcraft, but you can do more tricks. The newer designs are made of fiberglass composites to make them lighter and higher performance. Paddles - You can use your whitewater paddle with your river kayak. A flat blade is better, since highly curved blades deflect at high speeds.
Good equipment is worth taking the time to find.
Paddler magazine is a good source for finding dealers with the best surfing equipment. Since the market for surfcraft is relatively small, prices tend to be high on new models. Used craft are sometimes available at considerable savings. We strongly recommend that you get well acquainted with your equipment on calm water before you attempt the surf. You are entering a violent environment, and proper preparation can save you needless swimming, and possible injury.