I don't know whether you'll be bothered getting the FotR 4xDVD for FotR, by all reports the added bits makes up a lot of what the cinema releases lacked, though, again, shame about the dialogue. I'm certainly finding the extras fascinating, both for the filmcraft and the Tolkien geekery. But anyway, there's a good bit where they go through all the feature weapons Weta made for the film, not to mention the poor suckers who made all the chain mail out of millions of plastic rings; highly repetitive work, but they looked as happy as pigs in mud.
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