Everybody’s talking about tablets, especially those single-pane capacitive touchscreen ones more specifically known as “slates.” The iPad is the biggest newsmaker, but there are lots headed our way (most with built-in webcams). Here’s how they measure up, spec-wise: Updated: We’ve added Lenovo IdeaPad U1 and Archos 9 Windows 7 edition—see below for more details. Click on [...]