With the first round of launches for the iPad Air scheduled for next Friday, November 1, Apple will be expanding its carrier partnerships in the U.S. for sales of cellular-capable models to include T-Mobile for the first time. The expansion will, however, go even further, as several smaller carriers have announced today that they will begin selling Wi-Fi + Cellular versions of the iPad Air "in the coming weeks". Mississippi-based C Spire, which became the first regional carrier to offer the iPhone in late 2011, is one of the carriers announcing iPad Air availability in the near future.C Spire today announced that iPad Air with Wi-Fi + Cellular will be available on its