Launch day supplies of the iPad Air in the U.S. appear to be dwindling slightly, with new orders of the tablet in all colors and capacities shipping within 24 hours and carrying a delivery estimate of November 6. When the iPad Air launched on November 1 at 12:01 AM Pacific Time, Apple declined to provide a shipping estimate, instead offering a blanket November 4 delivery date for all U.S. orders. Earlier this morning, in-store supplies of the iPad Air of began weakening at some retail locations, and the T-Mobile Space Gray 128 GB Wi-Fi + Cellula