I've never been to one before so can't really offer much in the way of suggestions, the 'food events' are rather problematic as I and my girlfriend are vegetarians and there don't seem to be any meatless options - in that sense 'bring your own' would be a better choice from our perspective (I checked with the Museum and there will be a vegetarian option available for the banquet if we booked, though they couldn't say what it would be).
As for the actual events, anything that involves driving the new toy is a winner - I bought it to drive not just to look at
