Spirited Away. :)

HK: Hentai Kamen is the best movie ever made.

Initial D the live movie is really worth watching apart those popular ones =)

Thanks for the giveaway :) Steins;Gate the best for sure.

I probably wouldn't say it's the 'best' compared to others, but Robotech series was my favorite and the first to spark my interest.

Boku no Pico.

Hey, thanks for the giveaway!

Hellsing Ultimate.

I watched Why Don't You Played In Hell lately and absolutely loved it! Thanks!

Kara no kyoukai <3

Thank you! heheh

Not sure... Hikaru no Go maybe.

armor hunter mellowlink

Thank you for this opportunity.

Azumanga Daioh

Cowboy Bebop

Thanks you for gift :)

Seven Samurai comes first to mind

Ore no imouto ga konna ni kawaii wake ga nai!

KEN SHIRO

Thanks! :3

Ghost in the shell

Thank You!

There are many good anime out there, but one from top of my head right now? Monogatari series (All hail Hachikuji!)