As for favorites... I don't really have any favorites...
Just categories (With examples of Anime most people should know.)
A) Shows I liked a lot
Ghost in the Shell, Full Metal Panic, Yu Yu Hakusho, Gunslinger girl, Deathnote
B) Shows I liked because it had good action
Zoids, Voltron (as a kid), Death Frenzy
C) Shows I liked because it had a cool concept even though it failed to come through with it for me.
Eureka 7, Blood, Bobobo (just the fact that they'd attempt to dub that for american audiences made it hilarious.)
D) Shows I didn't like because the main characters suck, but if they did a spinoff show i'd be first in line.
Naruto, Bleach
E) Shows I didn't like... often because they just didn't get to the point.
Zatchbell, Inuyasha
F) Shows I hated because they were both boring and seemed the opposite of intellegent despite people thinking they are deep, even when the main author pretty much admits there isn't much of a deeper meaning and he was just making stuff up.
FLCL, Neon Evangeligon.