After the reasonable success of Windows 7, and long after the train wreck that was Windows Vista, PC users are keeping it old school, sticking with Windows XP as their operating system of choice. If you use a computer for anything other than gaming or to see how many hertz you can eek out of the latest Intel CPU, you know the pain of change. Change means uncertainty, and the one thing people want from a device their business or personal communications rely on is certainty. As a nerd, Windows 7 is a modern, attractive and capable OS, but depending on the task XP is still more than enough for the majority of…