IntoMobile writes, O2 UK is among the first British carriers to commit to offer some of the sexy new smartphones announced at CES. In fact, it managed to score at least one exclusive device (for now) – Sony Xperia Z in purple. The operator’s website says that Sony’s high-end smartphone will start selling in February though we still wait for the exact release date. But that’s not all – O2 will also offer the Huawei Ascend W1, which is the Chinese company’s first-ever Windows Phone device. As you probably know, this baby packs a 4-inch WVGA screen, Qualcomm Snapdragon S4 dual-core processor clocked at…