The Girl With The Dragon Tattoo
Awesome. Comparing this one to the Swedish one, a couple of major plot points are differently arrived at, meaning the end result of the point is the same, it's how it got to that result is different. However, there's only one that I was disappointed in.* The rest didn't really matter. And I will say Fincher's statement of earning the R is very, very true. The one scene that was beyond disturbing in the Swedish one is a bit more graphic in this one. I'm really surprised the MPAA let him get away with it, given some of the rules they have (as mentioned in "This Film Has Not Yet Been Rated").
And yes, as bbdl cited earlier, Rooney owns her role, and this movie.
*(whited out, out of courtesy for those who haven't seen it):
Mikael's daughter clues him in to the numbers as Bible passages, not Lisbeth. It adds to Lisbeth's IQ factor, and also is how Mikael finds out that someone is hacking his computer, although he doesn't know who, at that point.