Hey. I love at watch Anime and I want to add to my list. I've watched,
Hidan No Aria
Elfen Lied
Naruto
Naruto Shippdeun(Still watching)
Fruit basket
Black Butler (Still watching -.-)
And K-on!

Any animes I might like? :D thanks~

Baccano, Code Geass, Cowboy Bebop, Samurai Champloo, Gankutsuou, Mushishi, Revolutionary Girl Utena, Berserk, Infinite Ryvius, Full Metal Alchemist: Brotherhood, Neon Genesis Evangelion, Kaiba, Tengen Toppa Gurren Lagann, and Millennium Actress (personal favorite),

Ouran high school host club
Clannad
Roasario and Vampires
High School of the Dead
Mushishi
Full Metal Alchemist
School Rumble