I was at Karsucon on saturday and had a blast. I went to the Funimation pannel and was happy when they announced Bamboo Blade. I was cosplaying female Squalo from Katekyo Hitman Reborn. here is a list of notable cosplayers.
Kamina from Gurren Laghn
2 or 3 Yokos from Gurren Laghn
several Simons from Gurren Laghn
Lelouch from Code geass
several C.C.'s from Code Geass (one had a Pizza Hut box ^_^)
Kallen from Code Geass
several Yuki's from Vampire Knight...