I think with TTT, they did the best they could, which is still very, very good. And honestly, I think the length of the battle is well nigh perfect. Of course, I only currently own the theatrical releases, so I haven't watched the extended versions in a while. But I thought it was very well done. It progresses clearly, never gets repetitive, and builds upward to the Forth Eorlingas climax.
The Ent scenes are the toughest to adapt, IMHO. If they had went with the book, it would have been an emotional letdown. Same for Frodo and Sam's storyline. If Faramir just lets 'em go, they basically have nothing to do for the rest of the film, since they aren't going to Cirith and Torech Ungol in this movie.
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"If you're referring to the incident with the dragon, I was barely involved. All I did was give your uncle a little nudge out of the door."
THE HOBBIT - IT'S COMING
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