it seems that alot of manga/anime are opt for live-action adaptations. here' a new announcement:
This December, Rumiko Takahashi's popular comedy martial arts manga, Ranma 1/2 will have a two-hour live action drama special. Leading the cast are Kenta Kaku, Natsuna and Yui Aragaki who will play Ranma Saotome, male and female, and Akane Tendo!
Ranma 1/2 Live-Action Announced - JEFusion
whoops! 2 hours ra. it's not a movie but a tv special.