Sweeney Todd is not for the fainthearted. Not unexpectedly, there's a lot of blood flying around. The movie is also ninety percent sung, as it was designed to be.
That said, Burton did cut out some of the songs which, much as I love them, probably wouldn't make the transition from stage to screen as well as some of the others.
I don't want to say too much and create a spoiler here, but I do want to say that I thought the casting was brilliant. Alan Rickman, for example, made a wonderfully creepy Judge Turpin...
and casting Sacha Baron Cohen as Pirelli was nothing short of brilliant. Johnny Depp was great as Sweeney Todd and Helena Bonham Carter won me over as Mrs. Lovett in her first scene in this movie.
I loved the lighting, the monochromatic hues except for the bright red splashes of blood and in the dream sequences and flash backs which had color and warm tones.
Even if you're not a fan of musicals, live dangerously and go see it!
(And if gore bothers you, the throat slashings are perfectly timed to the music so I think it would be easy to shut your eyes during those parts and still enjoy the movie. But, then I saw the stage play over a half-dozen times, and have been listening to the original Angela Lansbury/Len Cariou Broadway soundtrack all week, so keep that in mind before you take my word on that.)