Saw one or two episodes on CN a while ago, I wasn't impressed by it that much. But I just saw a torrent and it was too hard to resist.
Also, I lol'ed at these.
http://encyclopediadramatica.com/Anime_News_Networkhttp://encyclopediadramatica.com/Animuhttp://www.animenewsnetwork.com/bbs/phpBB2/viewtopic.php?p=260387&highlight=Torrent:http://www.demonoid.com/files/details/1999404/775222/?rel=1247914909
I watched all 3 seasons and total 61 episodes. I must admit this Anime/Cartoon was awesome. I loved it.
The story line was consistent, no bullshit emotional stuff I mean there was some but they didn't over do it. No gay stuff either [7 Ghost]. Overall really good series. I loved the progression of the visual effects, the water bending and other stuff really good.
The last episodes were pretty unique. A must watch for anyone. It's long but you will get through it. Also, I should mention the movie is going to be kickass.
There is also a movie out. I will check it out soon.