There are some people out there, like my one friend, who don't care for that "gay british accent". I, however, quiet like it. I've listened to Potter-Books read by Jim Dale as well as by Rufus Beck, and eventhough I was quiet taken by both their performances, I like Fry's best. I do especially give him credit for being the only reader who doesn't give McGonogall and Hermione a hysteric touch and for leaving Dumbledore energetic, when both, Dale and Beck, make him sound like a wheezy old man. His Hagrid sounds almost exactly like Robbie Coltrane, who does a wonderful job in the movies.
Needless to say that the novel itself is one of the best I've read in the past years, as is the whole series. So if you like Audiobooks, this is one I can recommend.