Too many warmups lol. Enough is enough, get on with the full blown tour.
Although I will say this, I've never seen GNR at an arena, I've only seen them at the warmup gigs at hammerstein ballroom, but I doubt anything will compare to being up against the baracade and singing face to face with Axl and playing Ron Thal's guitar at the end of Paradise City. So in that respect, the warm up shows are quite intimate and a great place for hardcore GNR fans who don't have to compete with the beggars and hangers on.
The warm up shows are special. Just don't see them as warm up shows, see them as an opportunity to see this band play a small venue.
With the pre-sales, a lot of fans got to see the band at these small venues. Which is very cool.
/jarmo