The Xperia X1 is Sony Ericsson's first ever Windows Mobile smartphone, and it is a big one. It has a jaw-dropping 3-inch clear, wide VGA display, as well as a full QWERTY keyboard, plus a great look and feel. Features include a 3.2-megapixel camera, stereo Bluetooth, e-mail, GPS, Wi-Fi, HSDPA and HSUPA support, as well as quad-band support.