I think those who discovered GPN @ the time TIS came out have a different perspective than those of us who have followed them closely from an earlier point in time (such as myself).  Not to say one perspective is right or wrong.  They're just different.  Of course set-lists are at least partially about record sales, and I wouldn't expect them to play all their older material.  It just would be nice if their sets were a little more varied.  Maybe when they're big enough to warrant it, they'll do "An Evening With" tour like MMJ and play their whole damn catalog.  That would be cool.