Not if you're into the characters and universe. And it has the best battle sequence in all the books so far. It's slow, yes, and extremely long, but I didn't have a problem with it.
:lol In the movie Chospoiler (click to show/hide)is the one that rats out the DA to Umbridge[close]
Ugh matching stuff up in the books perfectly is never going to happen, besides I think she perfectly gives off that evil elementary school teacher vibe which is essentially what Rowling was trying to do with her in the first place. Besides it's all about performance and Imelda Staunton is a wonderful actress. I think she looks close enough to how I pictured the film version of her.