Hello all! I just wanted to share this cool new app designed by Social Tables and the Convention Industry Council - Pocket Planner.
Here is a link to a blog post announcing it. http://blog.socialtables.com/2014/07/21/convention-industry-council-social-tables-partner-release-free-event-meeting-planning-app/
You might find it helpful for figuring food and drink amounts as well as other planning tips.