Since there are five official reviews up on Rotten Tomatoes now, a percentage meter (TomatoMeter) has been posted - and it's 100% positive:
"The story is so very strong. The music is so magnificent. And with undeniable performances by Depp, Rickman, and Baron Cohen, the film really works."
-David Poland, MOVIE CITY NEWS
"It's bloody--and it's bloody excellent."
-Christopher Smith, BANGOR DAILY NEWS (MAINE)
"Dark, haunting, and visionary, Sweeney Todd reps Tim Burton's best film since Ed Wood and his sixth and most challenging teaming with Johnny Depp, resulting in a mesmerizing, Oscar-caliber work that should satisfy Sondheim's fans and bring new recruits."
-Emanuel Levy, EMANUELLEVY.COM
"This represents one happy instance of a film made by a director without stage experience that genuinely serves the intentions of the original piece."
-Todd McCarthy, VARIETY
"The show couldn't have fallen into better hands."
-Kirk Honeycutt, HOLLYWOOD REPORTER
"Y'know, I think Bertolt Brecht was rolling in his grave."
-Nellie McKay on the 2006 Broadway production of The Threepenny Opera, in which she played Polly Peachum