The pure version of Tizen 2.0 is far from finalized, yet there already seems to be an alternative skin designed to sit on top of it. While Intel's chips are currently capable of powering the new open source OS, the chip company is reportedly working on its own overlaid UI, known as Obsidian. Ars Technica got its hands on two videos of it in action, featuring notably flat and square icons compared to the circular ones we've seen in the pure version. There's a consis