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Wavepro hands down. I have used both and in my opinion there is no comparison between the two. No matter how adjusted you get the smooth moves they will load up in waves and buck you around. The Wavepro weighs a little over 6 lbs while the smooth move is about 70 lbs. The Wavepro ride is leaps and bounds better and never tries to buck you around or load up. With them both being around the same price point there is no choice there.