Starf*cker (yes there is supposed to be a 'u' there) (STRFKR), the xx, Asian Kung-Fu Generation (AKFG), ONE OK ROCK, The Postal Service, a lot of others I guess. It's hard for me to choose a favorite anything, I go through phases and cycles...
Kajiura Yuki's anime OSTs
And a lot of Vocaloid stuff
Kajiura Yuki's anime OSTs
And a lot of Vocaloid stuff