Good anime, eh? ::Cracks knuckles, takes a deep breath::
Classics
Urusei Yatsura ***
Ranma 1/2 ****
Detective Conan ****
Modern Favorites
Ayatsuri Sakon ***
Kekkaishi **
Hikaru no Go *****
Konjiki no Gash Bell ****
Hayate no Gotoku *
D.Gray-man ***
Denno Coil *
Kiba **
Ghost Hunt **
Tantei Gakuen Q ****
Lucky Star *****
As you can imagine, the more stars, the more I like it. I'm sure that I'm forgetting a lot of great stuff, but these are the ones off the top of my head. If you want to know anything about any of them, I can give a concise summary.