I would TOTALLY say that Zutara wins. Look, the past trailers have shown Kataang and Maiko which were the most important ships of THOSE seasons, but this season belongs to Zutara!!! WOOT!!!
on a side note: watch and be enlightened: http://www.youtube.com/watch?v=bDP4W...eature=related
there are 10, so don't think this is it.