Ok I'll just put a bunch that I like. My favorites could change as I discover more anime.
Bleach- It's cool. Not very original, but it's just cool. Good action and some slapstick humor if your in the mood.
Naruto- Damn filler seasons almost ruined everything. Some good humor, but what gets me are the great fight scenes.
Yu Yu Hakusho- Hiei
Cowboy Bebop- currently the among the top non-anime favorites for a reason. Ending will make you say NOOOO.
Fooly Cooly- Well, it was weird and there were only 6 high quality animation episodes. Overall, just really funny and full of jokes you won't get the first time you see it. Also(in my opinion) some of the best dub work like Cowboy Bebop. Very good in keeping the feel of the original version.
Death Note- Well here's one I can't shut my big mouth about. Not action packed like the other anime's I just posted. This show falls into the genres of drama, psychological thriller, supernatural, horror and detective stuff. You might get a headache the first time they throw you one of the main characters plans as there so complicated and smart. Did I mention the main character is crazy evil. There are some scenes that will get your attention and make your heart beat. What other show can make a guy eating chips intense. This is by far my favorite for now and probably for a long time. When the series ended, I was begging for more.
Some others that I like somewhat.
DBZ-long time fan favorite to many. You'll see some similarities in shows like Bleach/Naruto/One Piece as they all take a little of something from this action packed I'm stronger than you show.
Prince of Tennis-Really silly
Blue Gender-creepy if happened
Samurai Champloo- Cowboy Bebop offspring.
Edit: Oh yeah, Ghost in the Shell is great also. Too many to keep track of.