"The main attack was diverted southwards, it is true; and yet even so with his farstretched right hand Sauron could have done terrible harm in the North, while he defended Gondor, if King Brand and King Dáin had not stood in his path. When you think of the great Battle of Pelennor, do not forget the Battle of Dale.[...]"
are these locations subject to change? when The Hobbit comes out in a couple of weeks i doubt your interpretation and Peter Jackson's will be the same
Sure. But should they be the same? I dont think so. Peter Jackson´s "Beorn´s House" looks like the home of an old witch.