If it ain't broke, don't fix it. Pennsylvania works just fine, and if anything should be changed it's upgrading and making Pennsylvania more appealing rather than starting all over again in a location that's not guaranteed to work.
Curious you picked Cortez though. In a way it reveals your plans regarding Gallia and their invasion of the system, seeing as in order for it to be the new Penny it can't be Gallic-occupied which'd mean Gallia won't be successful in the assault (California as well, it cuts off a house from the "new Penny" if it falls).