This wouldn't be the first time for Lenovo to release a tablet-plus-keyboard combo, though the illusive IdeaPad U1 Hybrid was merely adding Windows to the updated LePad via the keyboard dock. That said, Lenovo's freshly-announced IdeaTab S2 10" is a full package dedicated to Android 4.0, and it sports a 1.5GHz dual-core Snapdragon 8x60A or 8960. Compared to the ASUS Transformer Prime and Samsung Galaxy Tab 10.1, this 10-inch IdeaTab comes close to or even beats them with a 0.34-inch (8.69mm) …