Here were some highlights, one from each day of the conference, in no particular order:
Friday evening: Q&A with James and Oliver Phelps
This was a great session and I think I enjoyed it even more than the Hogwarts reunion on the Saturday evening. James and Oliver are charismatic dudes and had all of the floor time. The crowd loved them and asked them a broad assortment of questions ranging from thoughtful to downright goofy. But that's what fans do.
Sunday afternoon: The Dark Lord, Sauron
Fortunately, his infernal graciousness was kind enough to pose for a couple of photographs just between the food court and Artists Alley before taking a couple of steps and being asked by someone else for a photo. Such is the price when you're the Dark Lord.