Bashiok has just posted on the official forums to let people know that any items purchased through the BlizzCon pre-sale have been delayed up to two weeks.
I ordered a horde towel at the beginning of the pre-sale, and mine came a few days before BlizzCon. Maybe some items had an issue in the warehouse, or one of the vendors was late. Who knows! But you should be receiving your items sooner than later. Thank you, Bashiok, for the update.
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