The ASUS Transformer tablets are about to get some competition. Lenovo has unveiled the IdeaTab S2 10 tablet with a a detachable keyboard dock. Here is what we know so far: Processor: 1.5GHz dual-core Qualcomm Snapdragon S4 MSM8960 Operating system: Google Android 4.0 with Mondrian UI Cellular connectivity: TBD Other connectivity: Wi-Fi Display: 10.1-inch WXGA (1280×800) IPS Input: Capacitive touchscreen, […]