July 23, 2006
A little cursory research shows that Microsoft sells roughly as many licenses for Windows XP Media Center Edition as Apple does for Mac OS X, on a quarter-by-quarter basis. There's two contradictory but completely predictable ways to spin this information in order to successfully troll people into responding. I'll leave it as an exercise to you to guess what they are.
For what it's worth, I think they're both pretty good operating systems.