Quick update on two fronts. First off, the tire that I had put on in Phoenix did not hold air well. It was losing about 5 psi every couple of days. I took it to a Pep Boys here in Sacramento and they determined that there was a small piece of rubber between the tire bead and the rim that was preventing it from sealing perfectly. The fixed it at no charge and with no fuss. Good on them. Second, the manager of the Phoenix shop contacted me regarding the negative experience I had with them. We discussed it and he agreed that they need to educate their folks a bit better. I consider that a positive thing as well.