Thanks everyone.
The story the tire guy at Costco Brookhaven (Atlanta) is that they used to carry them, but they were moving so slowly that they stopped carrying them. Makes sense. It's the Costco (and honestly any smart) business way.
I use the search function exponentially more than I ever post, so I'm quite aware of it. In fact, I think I mentioned that in a roundabout way during my thread starter. None of them mentioned Costco/Sham's' current, as in 2012, availability.
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