MAC vs Linux vs Vista vs XP

The thing that makes me laugh is each person has the mindset the OS promotes. Linux hits the open source see the gears tick feel, Mac has the media frame of
mind, coupled with a "it can do anything" belief.
vista is the "I want a challenge, it has plenty of new features, and actually now that I have looked at it properly, it does seem worthwhile" OS,
and XP has the tried and trusted mentality.