While I didn't expect this movie to get Godfather-like voting, I was so disappointed over the comments and the overall mark, that I felt the need to write a comment myself (which I usually never bother)
Many comments have pointed out that the title is misleading (no mambo in the film, only samba and rumba), the dancing is not top-notch, the storyline is typical (poor boy meets rich girl) and many characters are stereotype.
Nevertheless the movie is very sweet and touching. Both lead characters are adorable, the acting is overall good, most jokes are funny (albeit some over the top) and the idea of the film, a romantic comedy combining soccer and Latin dancing, set in grey and politically unstable Belfast, is pretty original. As for the dancing, we can see some beautiful legs and dresses and Keri Russell doing a decent job, while the level fits the reality of a couple where one part has only taken up lessons recently. In line with the story, the dance scenes are more about relationship than excellence. I found some of the characters to be very original, too (Rudi, Mickey).
I lived in Ireland for three years and got all nostalgic about the setting, the all-boys-schools, the typical Irish lads and the accents, so maybe I am biased. But still, Danny's and Lucy's pool dance was more romantic and touching than any scene in Dirty Dancing (which I love, by the way).
