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Of course, this style of boat also has its benefits. The GT carves into eddies quickly and precisely. It front and side surfs easily, and it's very forgiving of too much angle when starting a ferry. The boat presents more resistance to rolling than a displacement hull boat, but it's quite easy compared to something like an Id or even a Booster.
If your tastes lean toward hole surfing and playing, then this would be a nice beginner boat. If you like running the river between playspots as much or more than the actual playing, go with something with more hull speed like an RPM.