Can't wait to hear back from the audience and movie critics, but until then, I'll enjoy quotes like these:
... But possibly the biggest star of the movie is the animation itself, which is nothing short of stunning.
Really, there’s a whole lot to love about this movie. The voice-actors are top notch, the animation is superb, the character designs are stand-out, and its story is good old-fashioned western fun.
You can read the whole thing here, just note that there are spoilers!
And this podcast (at 51:15) is just crazy over the top in terms of being positive (although I disagree with their non-Rango comments). And language wise it's NSFW. :)
Oh, here's a not so positive review. Nope, it's not a cutesy movie, not every animated movie is just for kids. :)