The state of Linux drivers is a very old, sad and sometimes infuriating tale. I use Linux exclusively at work, 70% of my time at home; and still whenever I want to upgrade a driver, whether it’s ATI or NVIDIA, I throw a couple of Hail Marys just in case (and a couple of Bloody Marys most of the times after that). Rich Geldreich works at Valve, and is currently improving OpenGL support for games for SteamOS. His rantings about the drivers are pretty much spot on, but he doesn’t actually mention names of vendors. That’s left as an exercise...