Liberstad is a thing I've looked into too but didn't do anything with...yet.
I certainly get why you say "at least we'd be amongst friends as we died"
I however think that the scatteredness (is that a word?) of voluntaryist all over the world is a good thing for keeping alive the philosophy. But who knows I may change my mind and decide to live in such a place too.....when I'm fed up with trying lol
In my opinion, a global war is coming. We need to get together sooner than later, or we'll all be stuck behind enemy lines. ;-) To make that work though, we'd need something like the Swiss model.