There were so many differences from book to movie. First off, Harry and Dumbledore only had two meetings to discuss Voldemort's past. Many of the memories that they dove into in the book were completely taken out, and one scene was added where the burrow was burned down and Harry attacked. It was a completely useless scene that left me confused and unimpressed with the mediocre special effects. The most important scene in the movie was over in what seemed like thirty seconds. The acting was pretty good, though trying to pass Daniel Radcliffe off as a sixteen year old is laughable. I can not beleive J.K. Rowling would let the movie people destroy a perfectly spectacular book. In one word, HP6 was Horrible.