Updated and that's the official list~! You guys can still organize shoots but it just won't be on this printed list at the con.
2013 Cosplays for Triadanimecon/Nashicon/Nerdcon/Animazement:
Super Sailor Moon, Sailor Moon.
Magical Girl Madoka, Madoka Magica.
Upgraded Magical Girl Mami, Madoka Magica.
Michiru, Sailor Moon.
Miku Hatsune, Vocaloid.
Ballgown!TARDIS, Doctor Who.
And lots of Lolita.