...for personal preference, I don't think I could be holed up with more than say 10 people, and they'd probably have to be people I know well...
As much as I admire the work and planning that's gone into this project -- and it will probably serve them well if ever called upon -- I share LED's smaller-group philosophy. In saying that, realize I'm precluded from banging on the door, yelling "Let me in."