The movie is called Persona 3 The Movie #1: Spring of Birth and will be in Japanese theatres this fall. The main character from the game, whose name is determined by the player, is officially called Makoto Yuki in the film. Production for the film will be handled by animation company AIC A.S.T.A., known for the anime series GunxSword, Blood+ and the adaptation of Persona 4.
The film is being directed by Noriaki Akitaya, whose directorial works include the Bakuman and Code Geass anime series. Atlus and AIC A.S.T.A. have yet to confirm if the adaptation will be split into multiple films, given the movie's naming conventions. For more information on the film, check out the official site.
Persona 3 for the PlayStation 2 was praised for its storyline, production values, and meshing of gameplay styles. The game was also released for the PSP and was praised for its story and new features exclusive for the platform.