The visuals are just perfect, to the point of giving the pellicle a light grainy quality to get you in the mood. The closeness of the 19th century architecture as well as it lighting capabilities are well represented. You get an almost cozy feeling. The acting is excellent. I particularly liked Tommy Lee Jones' character, although it wasn't much of a stretch for him, it was funny.
If you're a US citizen, it's probably a must. For the rest of us, it's an interesting subject, done extremely well.