I did a good amount of business there. Actually more than in FL which surprised me since usually the big shows produce the same for me. Smaller shows still win out though.
There's really no way to put a price on meeting new people face to face and solidifying old relationships.
And rumor has it if you've been in the biz for a while and none of the noobs recognize you, you can cut into certain lines w/o being killed. Just rumor though.