There seems to be much to look forward to in the fall anime-wise at least. Some like Darker Than Black II, Cat Shit ONE & Shakugan no Shana III are pretty well known so here are the relatively unknown trailers I've stumbled across. Feel free to post interesting stuff you are looking forward too.
Summer Wars.
Synopsis - From those who brought The Girl Who Leapt Through Time (Toki wo Kakeru Shoujo). Koiso Kenji is offered a part time job by Shinohara Natsuki and ends up being tricked into pretended to be her boyfriend at her obaa-san's 90th birthday were her hole family is gathered.
Seiyuu - Nanami Sakuraba, Ryounosuke Kamiki, Ayumu Saitô
Studio - Madhouse
Tatakau Shisho: The Book of Bantorra.
Synopsis - A library full of books that were originally dead people, the beautiful librarian & the boy who falls in love with her despite having a bomb embedded in his chest.
Seiyuu - Romi Paku, Akira Ishida, Ayako Kawasumi
Studio - David Production
Sora no Otoshimono.
Synopsis - Based on a manga (which I didn't get through the first chapter of), this is the story a boy who meets a fallen angel who he had been dreaming about. Ecchi looking.
Seiyuu - Saori Hayami, Souichiro Hoshi, Ayahi Takagaki
Studio - AIC A.S.T.A.
Kimi ni Todoke TV
Synopsis - Kuronuma Sawako is nicknamed Sadako (from the ring) because many people think she's scary to the point of being cursed for looking into her eyes till a classmate Kazehaya kun becomes her friend.
Studio - Production I.G
Seiyuu - not confirmed
Fairy Tail
Synopsis - Lucy joins a magic guild full of troublemakers. Do I really have to say more about this?
Seiyuu - not confirmed
Studio - A-1 Pictures Inc. & Satelight