Ahh, the inevitable bickering between power boat guys and sail boat guys - kind of like air cooled/water cooled. . . Okay then, here you go: "Real boats have sails. Tphhht."
Power boats are fun but about 3x as expensive as sail types on the initial purchase, insurance is a lot more expensive and the operating costs will kill you. A sailboat costs exactly zero dollars to operate when you have all the sails, ropes, rigging and hardware up to snuff (they should be anyway). With the price of oil and gas going out of sight though, I am seeing a LOT of power boats coming on the market and prices have softened a little. . . You still can get 2-1/2 to 3x your amount of boat for the same $$$ by going with a sailing craft though. Not to mention it's more enjoyable, IMO.