We rented one through a GM promotion last February, and it was great, the fit and finish was far better than anything I've seen from the "big 3" is quite some time, and the thing just looked good. It's a huge truck, but feels much smaller. The V6 had plenty of powe,r the tranny was smooth, and overall we really liked it. We actually looked at swapping our Passat for one, but it was about 5-6K too expensive for what I thought it should be.
We might pick a used one up in a couple of years if they hold up well. The long-term reliability is the last hurdle it would have to pass.