AT&T now has refurbished 8GB and 16GB model iPhones back in stock, after a brief sellout last week. The phones come complete with a one-year warranty, free shipping, and all the standard iPhone pack-ins, including a dock, USB power adapter, stereo headset, and more. The 8GB model sells for $249, while the 16GB model runs $349. The refurbished phones are available while supplies last and are limited to one per customer, per household. [via TUAW]…

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