*is technically double posting 'cause he's got no idea what Irie just said*
Revive!
【MAD】Faker(Fate/stay night) - Remastered
The song is JOINT, the first opening to Shakugan no Shanna II. Spoilers for Unlimited Blade Works, with the video showing Archer and Shirou being awesome.
Gundam Anthology AMV #20
The song is Ai Senshi, the song of the original Gundam movies, redone by Gackt. Spoilers for most of the series presented, but they're fight scenes, so it might be a moot point; either way, an excellent AMV showing just why Gundam is awesome.
マクロス - Macross Anthology (AMV)
The song is Macross, the opening theme, to well, yeah, sung by Yoshiki Fukuyama (Basara's Singing Voice. Once again, fight scene spoilers, and showing why Macross is awesome.
【MAD】魔法少女リリカルなのは 「魔弾-Freikugel-」
I believe the song is Freikugel -UnderCover Mix- by TM Revolution, but don't quote me on it. Spoilers for All seasons of Nanoha, and once more awesomeness.
【リリカルなのは】Crest of A's
Song is Crest of Z's by JAM Project. More spoilers, this time for Nanoha A's. Awesome, fitting, ect.
MAD/AMV ONEPIECE 青い果実/aoi-kajitsu 【冬島・チョッパー篇】
The Song is Blue Fruit by DOA (at least, that's what a comment says). Spoilers for Chopper's introduction arc in One Piece. Awesome and Heart-wrenching.