This was one of the movie that I watched after having read the original book (Carl Sagan) in childhood. I loved the way Jodie Foster plays the role of the maniacal SETI scientist Eleanor Arroway. At the same time, I hated the highly religious overtones in the message that is conveyed in the end. I would say 3.5*.
By the way, during the early 2000s, I used to dedicate my computer to the usage of the data analysis by SETI. I'm wondering, can we still help SETI out that way?