An Unexpected Journey, or the morning after

[Zigûr]

Here in Australia we're not getting "An Unexpected Journey" until the 26th for some reason, but I would like to ask only this about the film of those who've seen it: could someone give an impression about how much Professor Tolkien's original dialogue and language is retained/maintained in the film? Obviously my expectations are low given a) the precedent and b) how much I know has been changed, made up or extrapolated from historical recount rather than direct narrative but I'm still curious. The rearrangement and omission of perfectly serviceable dialogue from the source material is something that makes the films of The Lord of the Rings incredibly difficult to watch for me. Compare in the Voice of Saruman section of the Extended Edition of The Return of the King the use (almost) of the original Professor Tolkien e.g. "when you hang from a gibbet for the sport of your own crows" vs the clashing Boyens/Walsh pastiche e.g. "Something festers in the heart of Middle-earth" (I find the inconsistency in phrase/tone at occasions like these very off-putting, when Professor Tolkien's unique style is merged with what is, to me, very stock and cliché Fantasy vocabulary).
And more specifically, does the Great Goblin ask "Who are these miserable persons?" He'd better...