Lenovo on Wednesday formally tipped its hand and unveiled its first pure mobile tablets. The IdeaPad K1 and ThinkPad Tablet together have the familiar NVIDIA Tegra 2 and 10-inch, 1280x800 screens of most challengers but are the first Android 3 tablets anywhere to support Netflix: both add DRM that isn't in Android 3.1 itself and can not only stream the video service but rent movies outright from Google Videos. The Netflix app should be available as an update by the time the tablets ship and will be followed by an upgrade slightly after la