Windows Mobile has always been a powerful but clunky OS, but recently we’ve seen manufacturer efforts to clean it up and make it more user-friendly. Sony Ericsson has thus far stayed out of the WinMo realm, but with the Xperia X1 they are making a splash on both fronts. They have developed a new panel interface to match the X1’s svelte design. It has the rich feature set you’d expect from a high-end device, with many connectivity options and...