Gigabyte was certainly feeling brave when it unveiled the £857, 11.6-inch X11 Ultrabook earlier this year. Appearing shortly before the arrival of Windows 8, it straddles two OS life cycles, with a feature set that's more faithful to Windows 7 than to the touch-centric future. Still, with a Core i5 Ivy Bridge CPU, 4GB of RAM and a 128GB SSD, the current holder of the "world's thinnest Ultrabook" title is specced to compete -- and, as you'd imagine, this is a fast and powerful little machine. But has Gigabyte sacrificed compelling features to achieve the X11's ex