Here's a great Christian site that analyzes many of the current movies:
(from Dr. James Dobson's Focus on the Family)
Plugged In

Here's another great Christian site that analyzes many of the current movies:
Christian Spotlight

Here's another Christian site that analyzes many of the current movies:
Movie Guide

Here's a great site that gives lots of info about practically any movie:
(more than 60% approval is a green tomato, less than 60% is a rotten tomato)
Rotten Tomatoes

Here's another great site that gives lots of info about practically any movie:
Internet Movie DataBase (IMDB)