AT&T unleashed a metric ton of news today at CES 2012, including the Sony Xperia Ion, the first Windows Phone LTE device — the HTC Titan 2 — as well as an announcement of Nokia's first LTE device for the network. The company also introduced the Samsung Galaxy Note for the US, a handful of Pantech devices, and its own HTML5 and Android application marketplace, dubbed AppCenter. Read below for all the news so far, and stay tuned for more!