Mac OS X is very Intuiative

Just ask the sale person to give you a short demo and see how fast you can learn. There also is a movie at the start up to show you what the basics are.

Acutually, for beginner, just three things need to remember:

Dock --> shortcut to launch application.
Hard drive --> where you find the Applications folder to start application program.
Systems preferences = = Window control panel.

Most external device are plug-n-play.

If you have a question, click Help and it will give you the answere and lead you to do what you need to do.

Just click on anything on desktop and see what happens.