Favorite Anime... that's a hard one... cause I do like sooooo many :D but if I had to break it down to three... I would say:
Death Note
Mirai Nikki
Beelzebub
For Manga I'd say:
Berserk
Kuroshitsuji
aaaand SAO.
Oh I do tend to hate some anime openings but mostly the really... like really annoying ones. I like openings that give a glimpse of whats happening in the series f.e.:
11eyes
But the two most addicting ones to me are:
Tokyo Ghoul
and
from the Darker than black - series: