Advice when switching from Windows to Apple

When switching from Windows to Apple (OS/X) there are some hints and tips that can make it easier and more fun.

• Mac 101
• A Guide to OS X Software for Switchers
• Top 10 Things all Switchers Should Know
• How Does Open Source Software Stack Up on the Mac?
• Tips and Tricks Section of The Unofficial Apple Weblog
• The Gems of Apple Development Tools
• http://bestmacsoftware.org/

Does anyone else have advice or links to add?