Harry Potter and the Half Blood Prince was a disappointment as a film. Either the screenplay was poorly written when it was adapted from the book or the editing was just lazy. The result was a plotline that was choppy and disjointed which made the dramatic high points fall flat.
I read the book which was a moving masterpiece. It is one of the darkest episodes of the Potter series which deals with the death of major character. The book moved me and left me emotionally spent just the way great literature can affect the reader.
I felt angry have way through the Half Blood Prince film seeing how the commercialism won over or the lack of true filmmaking artistry was not applied to this piece of material. I felt nothing for these characters that I have grown to love in the books and previous films.
Even with some of the special effects and some of the better acting, it did not help the film overall.
Personally, other films are worth the watch this summer. Half Blood Prince was a half ass job