In before comments on my taste.
Azumanga Daioh
Bakuretsu Hunters / Sorcerer Hunters
Densha Otoko
Dokuro-chan
Evangelion
Godannar
Gurren Lagann
Iketeru Futari
Jungle de Ikou
New Cutey Honey
NHK ni Youkoso
Photon - The idiot adventures
Rozen Maiden
Might I add Hen / Strange Love and Kodomo no Jikan as mangas too.