And the hybrid devices keep on coming. Sitting high on a shelf in Microsoft's booth, hidden among the earthly clamshell laptops, is the Toshiba Portege M930, a prototype whose 13-inch screen slides down to completely cover the keyboard. All told, it's awfully reminiscent of the ASUS Eee Pad Slider -- complete with a propped-up display and squat keyboard. The keyboard is so narrow, in fact, that Toshiba had to forgo a traditional trackpad and instead put a touch sensor and buttons over on the right edge. Though it's a bit heavy for an Ultrabook, at 4.2 pounds, it has some Ultrabook-grade innards, including a Core i5 processor, 4GB of RAM, Intel HD 3000 graphics and a 256GB solid-state drive. Take a tour around the device and you'll also find the usual array of ports: dual USB 2.0 sockets, HDMI, an Ethernet jack, an SD reader and separate headphone and mic ports. Even when we previewed the Slider we weren't keen on sacrificing that much deck space in the