The Moon Saga press conference was held earlier today and was also streamed live. Gackt, the director and a couple other key staff were there. They talked about the story and the expansion of the play to manga, anime, game and music. The play will run July-August next year.
[Mantan-web for news article & press photos, Cinematoday for news article]
And speaking of stage plays, Code Geass will have a run of 13 performances on stage in April of next year. Geass-Stage.net will have info on this project and ticket purchase.