If you like Woody Allen movies, this one is good. It's actually fairly typical of Woody Allen movies, dealing with troubled marriage and loss of passion... but as usual, Woody brings his own neurotic flair to the subject, so it's fun and entertaining while dealing with a fairly mundane but uneasy subject.
The thing that makes this movie most interesting is his use of a Greek Chorus. Throughout the movie they keep cutting back to an ancient Greek outdoor auditorium where the masked chorus chants in unison, moving the plot along just like in classic Greek theater. It's a nice and unique touch.