Experimental Cities Part 2: Seasteading

Alex Tabarrock offered a good summary of this movement/vision over at Marginal Revolution a while back.  As he points out, it touches on many of the same governance-related themes as the Charter Cities idea. From a design perspective, these cities-at-sea could be paradise islands for anti-automobile planner-types (which would make for an interesting mix of residents, as many of the early supporters have been libertarian-leaning). Actually, The Seasteading Institute has already held an architectural design competition. Looks like the topic could provide some entertaining exercises for all of you Sketchup artists...