Just because UPS can get you your iPhone 3G S a couple days ahead of its official launch date doesn't mean Apple wants it to. We're getting a bunch of tips rolling in with updated tracking information for shipped 3G S orders folks have placed through the online Apple Store, confirming that Apple has actively coordinated with its shipper to hold on to the packages until "a future delivery date" that isn't specified. We can only assume that'd be the 19th, but our question is this: can you just march down to your local UPS branch and try to pick it up yourself in the meantime? Carriers often require that at least one delivery be attempted before you can waltz in and grab th