how about a scwd. I used one for a while....and will probably go back to it with a bigger pump. Its pretty sweet. I like the scwd because it doesnt take any extra power to run it. I dont like it because it takes a powerful pump. My koralia's run 6 watts.....the scwd with my mag 5 ran 60. Id rather put two koralias in on a wave maker.......but that costs a ton. scwd is low profile and its three pipes.....after a while they will never be seen. There is little maintence and it gives GREAT waves. But it sucks power to push it.