Very cool. Thanks for putting this back up. And I'm very glad that diligent research has brought you on board.
I read the entire thread of the first article you linked, but I don't remember seeing anything about dealing with purchases made across borders. Do I need to read it again?
Re: outsourcing (I was going to start this one again, too but...) here's a very excellent paper from CATO
http://www.freetrade.org/pubs/briefs/tbp-019.pdf