I regularly help run events which have 500-ish people on the extreme low end, and 1000-1500+ and sometimes even larger on the high end. The quoted rates do not

I regularly help run events which have 500-ish people on the extreme low end, and 1000-1500+ and sometimes even larger on the high end. The quoted rates do not sound that far off from what I've seen. Heck, I know one convention center that charges $1500 just to hang a small banner over the door of the ballroom with your event's logo on it.