This SnapShots in Akiba site
has some anime, game, or seiyuu related snapshots
taken while walking around in the Akihabara area.
Comments to snapshots@usagi.org.
At the end of September and the beginning of October,
the wall at the Adores game center had characters for the
upcoming movie Aoki Hagane no Arpeggio -Ars Nova-.
There was also a special karaoke room for Ars Nova in September.