Sure, a bunch of other cool things were said at The Hobbit panel, but a highlight was hearing Gollum curse. You can watch the full panel, or skip to 22:40 if you just want to hear that part.
Obviously, this clip contains language not safe for work.
One of the best things about San Diego Comic-Con is all the cool toys on display, many of which you can't see anywhere else. For example, this Barack Obama Jedi action figure. Mace Windu might have something to say about that lightsaber, though.