Taking time to view each and every ending for each and every anime airing in Winter 2009, this list is not simply taken from the shows I'm currently watching. The only cutoff is that the ED has to have just begun this season.
Unlike the OPs this season, which run the gamut from "meh" to "not bad," the EDs are simply fantastic. Many of top ones could be number one in a different season. I kept myself under restraint this time and only put 10, having to leave out quite a few good ones. Shikabane Hime: Kuro, Gintama ED12, Viper's Creed... the list goes on, and on too far.
BONUS) Naruto Shippuuden
"BACCHIKOI!!!" by DEV PARADE
Wow... just wow. I'll let the video speak for itself, because I am speechless.
10) Zoku Natsume Yuujinchou
"Aishiteru" by Kourin
I like the characters walking through the snow. That looks pretty nice...
9) Linebarrels of Iron
"Remedy" by Maaya Sakamoto
Maaya Sakamoto delivers a pretty solid ED, though I do prefer the first one.
8) Hajime no Ippo: New Challenger
"8AM" by coldrain
A surprisingly catchy song. First time I sampled it, I wondered if it should go on the list. Second time, I knew it had to.
7) Munto TV
"Hikari to Yami to Toki no Hate" by Ceui
When it picks up, the animation reminds you just how good Kyoto Animation is. Of course, it comes just as you convinced yourself that their old animation looked fine.
6) Maria Holic
"Kimi ni, Mune Kyun" by Yu Kobayashi, Asami Sanada and Marina Inoue
I love those Kyun's in there. Interesting animation courtesy Shaft.
Couldn't find video on YouTube...
5) Kuroshitsuji
"Lacrimosa" by Kalafina
Can you tell Yuki Kajiura had her hand in this! So very awesome...
4) Toradora
"Orange" by Rie Kugimiya, Eri Kitamura and Yui Horie
Orange janai! Sorry about that. As a man who takes pride in his cooking and cleaning, I gotta give Ryuuji some props. Plus, I just love this ED regardless.
3) Soul Eater
"Strength" by abingdon boys school
Better OP material than any OP this season. Abingdon Boys School rocks. I love how everyone looks positively fucked, hinting that this could be one hell of an ending.
2) RideBack
"Kioku" by Younha feat. GOKU
Simply beautiful. The song, the animation, everything.
1) Gundam 00: Second Season
"trust you" by Yuna Ito
Candidate for best ED of all time. This one takes what the first 00 Season 2 ED did with the symbolic still shots and continues them. Amazing. And then there's the Gundams laid to rest. So many things make this ED so very good.