Remember last year at CES 2010 when Lenovo made a huge scene with the tablet / netbook U1 Hybrid, which ran Windows when docked and Lenovo's Skylight Linux in tablet mode? And then Lenovo killed Skylight in favor of Android and put everything on hold? Well, it's back -- and we just got some serious hands-on time with production-ready Chinese versions of what's now being called the IdeaPad U1 Hybrid with LePad tablet. Things have substantially changed for the better in the past year -- in addition to Lenovo's skinned version of Android 2.2 (called LeOS, sigh), there's now a newer 1.3GHz Snapdragon in the LePad and an 1.2GHz Intel Core i5-540UM in the U1 base. Switching from Windows to Android just requires disengaging the latch on the