I've watched the movie in japanese, and I must admit; The movie was very sweet.
Although it seemed a bit too childish apart from the other movies. Jirachi annoyed me, because of how it just was, what with that voice, and it was so cute, that it got to the sickening limit.
Although that changed when they had to fight the Meta Groudon. It could see that Butler was a good person, and it saved them all in the end. Although the main Pok?mon in every movie always end up saving the day, with the help of Ash normally.
The animation was perfect. Better than the second movie's animation. The plot was interesting, since it was about friendship, the mystery about the comet in space, a great view about Butler's personality, May's wish, and the brother like relationship Ash and Max had. Not to mention we got to see what a caring sister May is, and she's a great "singer". Somewhat ^^
The ending theme was so beautiful. "Chiisaki Mono" is so great that it makes one want to sing the song as well. Not to mention that the singer has a beautiful voice.
This movie gets a 9/10 from me. It would've gotten 10/10 if it wasn't for the fact that Jirachi just got on my nerves sometimes. Apart from that, it all was great, and I enjoyed it ^^