iPad shipments have moved beyond US Customs and UPS' main Louisville hub, but are still under tight security, a follow-up report notes. Tablets are now said to be sitting at or on their way to local hubs, awaiting only the official April 3rd shipping date to be delivered to pre-order customers. Apple is, however, claimed to have hired an unspecified security agency to track UPS shipments during their progress from regional distribution centers to the local ones.
