Whoops, didn't see this! Depending on the day, my friends and I will be there as Sakura, Syaoran, Fai, and Kurogane (school versions)! I think Saturday would be good, though. Definitely not too early, since it will take us a bit to get there and park and everything.
Day 1: Mokona Modoki (Tsubasa/Horitsuba Gakuen)
Day 2: Gokudera (KHR)
Day 3: Yagura (Naruto) and Freckle (Lackadaisy)
Day 4: Mokona Modoki (Tsubasa/Horitsuba Gakuen)