Never got into it, it just isn't for me. I'm sure the books are good, I read one chapter from the first one in a bookstore once and it was clear that Rowling is quite a good writer / narrator. I just don't care for the content, not my kind of stuff. But if you're into it they'll be a good read. I also watched two of the movies and they were rather meh.
Now Twilight is a completely different story. I also read a chapter of that once, and I can't for the life of me comprehend how such a pile of junk even got published. Meyer can't write for . A retarded third-grader does a better job when doing his "This summer's vacation" English homework.