Last weekend a friend was moaning about endless problems with Windows XP on his desktop PC. We installed Ubuntu 7.04 on it. The problems went away. That started me thinking about my own "daily driver" computer, a Dell Latitude that also runs Ubuntu 7.04, and it made me realize that I hadn't thought about my laptop or its operating system in many months. Linux -- especially Ubuntu -- has become so reliable and simple that for most end users it's simply not worth thinking about