I was able to see Loving Vincent at one of the two NY theaters this past weekend. It's absolutely worth seeing on the big screen (if only for the unique, dreamy visuals). The rotoscoping animation technique reminded me of other films (Waking Life certainly comes to mind), but the fact that it was all created using actual oil paintings and not computer (or even hand drawn) animation is astounding.
Here's the UK trailer:
Here's the UK trailer: