Metro PCS' first American LTE phone may be fast when it comes to download speeds, but not so much when it comes to basic functionality. The ZTE-built Anthem arrives next week at MetroPCS providers for $249.99 ($219.99 after a mail-in rebate), and it comes with an aging OS -- Gingerbread. Yes, when we got our hands on the device this evening, the very first thing we noticed was the decidedly elderly operating system that ships with it -- so, it's not the freshest Android device on the block. The Anthem's touch functionality didn't give a good first impression either, not responding on the first t