Tolkien v. Jackson

Absolutely amazing. A must read compilation for the true Lord of the Rings fan which chronicles in minute detail the various discrepancies between the books and the movies:

The Nit Picker's Guide to the Lord of the Rings

This guy is clearly a Tolkien purist. The more Peter Jackson deviated from the books, the more its resented. He's especially harsh on Arwen's expanded role in the movies.