Gore-filled Animes?

Looking for some animes with extreme violence and lots of blood/gore; however, it must have a good story.

Does anything fit my criteria? :D

List of gore shows:

Apocalypse Zero (watch this before trying anything else)
Genocyber
MD Geist
Cybernetics Guardian
Angel Cop
Kite
Mezzo Forte
Shigurui
Kara no Kyoukai movies

pic related