Youngster! Phah! Me too! And I'm 43! lol
If you liked the movies, and loved the books, you'll be absolutely nuts over the unabridged audio books, as read by Jim Dale. They're wonderful. I picked them up on CD, and immediately ripped them to MP3, so you can fit the first 3 books onto a single CD each. I'm afraid that "Goblet of Fire" is on 17 audio CDs, so it takes 2 cds. In fact, I'm listening to it right now!
Mark
Jim Dale is the best. I have never enjoyed listening to anyone more. I hear the man who reads the UK versions is excellent as well, but I haven't been able to get my hands on one yet.