I won't be at LWCE, but I just wanted to offer a suggestion, based on experience. It will be much easier if you are able to choose a restaurant beforehand.

After the Geek Pride Festival in Boston last year, a big group of people tried to find somewhere to have dinner. After walking more or less in circles for half an hour (as different people tried to lead), the group splintered and the subgroups all went to different places.