Check out City of Men, a miniseries based on some of the same characters, although in a more modern setting. I liked it even better than the movie. I have the first 2 seasons and I think there's a 3rd that's already been produced but hasn't been released with English subs yet.
http://www.bbc.co.uk/bbcfour/cinema/...y-of-men.shtml
a good review of City of Men
http://www.dvdtimes.co.uk/content.php?contentid=12872