http://cluborlov.blogspot.com is run by one Dmitri Orlov, an ex-Soviet collapsarian similar to James Howard Kunstler. He basically did what you're asking for.
Yes. One does not have to venture far to find a 'we're all ruined' article. I was more interested in finding small scale examples of how communities react when a central government essentially ceases to function. Not a preppers screed (i haven't looked at the link)