CLAMPFESTIVAL.JP has updated with information about this year's Festival:
When & Where:
October 7: Zepp DiverCity, Tokyo
October 21: Zepp Namba, Osaka
Appearances by: Suga Shikao, Jun Fukuyama, Sakura Tange, Iwao Junko, Kinya Kotani
Tickets: on sale Sept 22, 6800 yen (more info here)
...more to come...who's going this year?!