Well, this show certainly blows away everything Japan has to offer this season. And that's something coming from me, when there's nary a hint of an osananajimi in this show.
Me certainly like the brothers though. Right now, I prefer Mako over the other brother (whose name I can't even remember). But then again that's me thinking Zuko was the best character of the first series (receiving the most development and all), and Mako certainly reminds me of him