Anime:
Ghost in the Shell (the two movies, Stand Alone Complex seasons 1 + 2, and Solid State Society)
Cowboy Bebop (and its movie)
Neon Genesis Evangelion (and the movies)
Big O
Manga:
Hellsing (OVA too)
Bleach (and its anime counterpart)
Naruto (anime too minus fillers)
Death Note (haven't seen its anime)