My Costco doesn't stock them in the fall/winter. They do continue to sell the remaining stock, which last year lasted to within a coupld of months of springtime, where they restocked again. I only know this because I asked when I couldn't find them any more last year.
Klose 24x50 BYC
[COLOR=blue]Rock Chalk Jayhawk Blue[/COLOR][COLOR=black] Thermapen[/COLOR]
Weber Gasser (out of gas)