Syngress is about to release the book: OS X FOR HACKERS AT HEART.

With sexy hardware, a powerful operating system, and easy to use applications, Apple has made OS X the operating system of choice for hackers everywhere.
Here is the link: http://www.syngress.com/catalog/catalog.cfm?pid=3430

Hmmm ... does this mean I need an Apple and OS X to be l337?