I think I would get a Hobie Wave, Spark 15, or even a Mystere 4.3 or similiar, but they are unique.
The damndest system of steering I've seen.
http://www.kijiji.ca/v-buy-sell-other/gatineau/catamaran-low-center-of-gravity-water-bike/1185106429?enableSearchNavigationFlag=true

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Hobie 18 Magnum
Dart 15
Mystere 6.0XL Sold Was a handful solo
Nacra 5.7
Nacra 5.0
Bombardier Invitation (Now officially DEAD)
Various other Dock cluttering WaterCrap
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Hello, is this Chris Hilliard?