Well, finally had to change my rear tire out on the limited. Wasn't sure how I faired on mileage, so came back to the site to do a bit of post change research.
2/32 left on the tire (dead center) and reasonable cupping was evident. With the wet season comming up, decided it was time. 7801 miles, probably could have gotten a bit more, but was in to get the 7500 service and brake switch recall done. Figured it was a no brainer to switch the tire at the same time.
Front is doing ok. It was between 4/32 and 5/32 with no major cupping issues.
I'll admit, I downshift a ton and accelerate hard (typical to enter freeway at wot or near wot -- actually whenever it's safe to go from 0 - speedlimit +10, I generally seem to be at wot), but never to the point of breaking the tire free noticeably. Oh, and about 70% of those miles were done following JC.

Also had engine work done but not sure how much of that contributed, given that it was only for the last 2800 miles of the tire life. Given what I read in another thread a while ago; and this one, I think I'm ok with the tire wear. Hope to get a bit more out of this one knowing a bit more about what is probably causing my wear.
Now to see just how long the front holds out.
