Lenovo just announced its IdeaTab A2107 at IFA here today. The ruggedized Android 4.0 slate, powered by a dual-core MTK Cortex A9 CPU clocked at 1GHz, adds a buffer of protection to its 7-inch expanse with a soft matte, roll cage enclosure -- perfect for the accident-prone or the outdoorsy demo it's being marketed toward. The entry-level tab's 1024 x 600 display is no screamer, putting it on par with the very 20