Sony Ericsson Xperia X1 is one of the outstanding ultra mobile phones in the world. Earlier the Windows Mobile 6.1 smartphone was rumoured to make debut in UK in late October for the price of £599.99. We all know that the price is worth given the fact it boasts of amazing features such a 3-inch WVGA touchscreen, WiFi, GPS, 3.2 megapixel camera, tons of memory, full slide-out QWERTY keyboard, and a whole lot more.