The Hyatt is sold out. Embassy Suites is the overflow hotel, but it's not part of the hamster-trail of hotels that DO connect to the convention center.
Anime Central 2003: Celes Chere, Final Fantasy VI
Anime Central 2004: Hikari, Haibane Renmei
Anime Central 2005: Female Oracle, Final Fantasy Tactics
Anime Central 2006: Sniper Wolf, Metal Gear Solid, Female Oracle FF Tactics
Youmacon 2006: Sniper Wolf, MGS1
Youmacon 2007: Femal Oracle, FF Tactics
Future cosplay ideas: The Sorrow, The Boss (both outfits), Female Summoner (FFT), Shuji and Chise (Saikano), Chell (Portal)