Why Mac?
* There are less viruses written to attack Macs.
* If you do video editing iMovie is better than Windows Movie Maker.
* Macs are bundled with most of the software that most casual users need.
* Macs have beautiful clear, sharp displays that are less fatiguing on your eyes.
* Macs can run Windows apps via bootcamp, VirtualBox, or VMware Fusion. (Requires Microsoft Windows to be installed).
* Every Mac comes with support, and face-to-face help in the Apple Store.
Why PC?
PCs tend to give more bang for the buck, especially now that Microsoft is offering Security Essentials free for home users.
http://www.microsoft.com/en-us/security_essentials/default.aspx
There is also more free software available for PCs.
Mac Notes