From what I can tell, this was a face-to-face tabletop game, unless I missed something. If it were a play-by-post or an online live virtual game I could understand the excitement. But if I'm right about it being a face-to-face game, I have just one question - Are you serious?
Not that I'm trying to make fun of the situation or anything. But I couldn't even begin to tell you how many published modules I've completed and I know there are countless others who have done the same. I've also run the Lost Caverns twice (and I'm kind of curious what will became of the Wonderous Lanthorn and the other powerful items taken from there - things that always turned out to be more of a curse than a benefit in my campaigns. I'd be glad to fill you in on what happened in my campaigns following the Lost Caverns).
Anyway, please tell me that I am mistaken here, because if this is the first time you have completed a module, then I truly feel for you my friend.