Apple/Mac Myths, Legends, Misconceptions, and other Exaggerations of the Truth
+ Macs never crash
+ Macs absolutely cannot get viruses, its impossible to get a virus on a Mac
+ Macs cost more than a comparably equipped Windows machine
+ Apple has a strict product release schedule
+ Apple will replace your system if it goes in for repair more than 3 times
+ Current Macs are better for design and other creative tasks
+ Macs can't 'right-click'
+ "There "isn't any software available for Macs"
+ iLife is part of OS X
Those are just a few that I could think of off the top of my head.
Absolutely NONE of those things are true, they are merely common misconceptions that people have about Macs and Apple.