My wife is a native Pittsburgher and we go up couple times a year.  Have never been to any of the chain stores, only the original.  I honestly can't imagine they can match the originality of the store on the Strip.  We always seem to get the same waitress from Lithuania, I think, and she always remembers us even though we are not regulars.\nNothing like a Primanti Bros. sangwich and an IC.  Dang, wish I was there now!!!