And having finished watching it, and somewhat (not entirely) puzzled, thoughtful, musing, brilliant imagery, people, dialogue, metaphor, it's rather polarized the critics. If you liked any of Paul Kaufman's other works I'd recommend it, otherwise you might just be taking your chances...
Trailer: https://www.youtube.com/watch?v=XIizh6nYnTU
Link: https://en.wikipedia.org/wiki/Synecdoche,_New_York
Meta-Analysis (Whatever your opinions, it's clear he put an awful lot into it. Watch this after you watch the movie): https://www.youtube.com/watch?v=rjqYpsuBrPU