Preparing for shipment? Lucky you. I ordered around the same time and mine is still "Processing".
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I have a $30 unlimited data plan on AT&T in the US. In order to tether, I'd need to give up my unlimited plan and get a 3GB plan for $30, and then pay an extra $20 on top of it just for just the right to tether.
In short, give up my $30 unlimited and instead pay $50 for 3GB with tether.
Mine still shows processing as well. My order was complete at 1:54 P.M Mountain time.