Open source: to migrate or not to migrate?

SilentBob4 writes “There are two types of people in the world: those who think that there are two types of people in the world; and the rest of us. Heh. Seriously, some people tend to see only black and white, whereas the wisest among us often see shades of gray. For example, take Microsoft’s “Get the Facts†campaign. They would like to have you believe that Windows is always cheaper than GNU/Linux. Are they right or are they wrong?”