Best idea so far was a directory. The directing body of the event could have a listing of the participants and a short description of debut items. An online version compendium would negate the fear of the document getting too big.
I'm not getting an FFL just to go to SHOT. You cannot look an item up on the internet if you don't know what it's called. Mentioned these points several times. Reading must not be your strong suit.
Two practical and on topic answers in 58 posts; must be a record.
I'll take me some fish and chips...