I watched The Revenant this weekend with my son, and we both enjoyed it immensely...to start off it is visually stunning, with some superb camera work and visuals. My understanding is the entire movie was shot utilizing only natural light, or light that would have been available during the time frame the movie was shot in, such as a fire, kerosene lanterns, torches...I was also pleased to see that they didn't utilize any CGI in the film, which makes it much more realistic.
I also didn't find it too over the top with the action scenes, as similar movies are often times more Rambo than reality.
Reminded me a bit of the movie Jeremiah Johnson with Robert Redford...also interesting how little Leonardo's character actually speaks during the movie due to an early injury to his character.
The storyline follows Crow description earlier in this thread, which some folks might find it a bit gruesome or gory in it's depictions of violence, but it didn't feel like they were using the depictions of physical violence to shock anyone, but rather simply tell the story and describe the hardships faced by the folks at this time.
Music score was quite good as well.
I give it 4 out of 5 digits.