Apple OS X 10.6 Resources

I’m studying for my Apple Certified Support Professional 10.6 (ACSP) exam. Here’s a list of resources applied so far:
Mac OS X 10.6 System Requirements:
Intel Processor
1GB RAM
5GB HDD space
DVD Drive (MacBook Air can use a shared disc drive to install)
Integrated display or video card supported by your mac
(Some Features require internet or MobileMe)
HT2658 “Determining BootROM or [...]

What’s your brand identity SEO strategy?

I’ve read lots of SEO (search engine optimization) and SEM (search engine marketing) articles. Most of them are only helpful to those of you who are brand new to SEO/SEM. I have not yet come across one that sums it up simply:

The number of links using your keyword to your desired URL will heavily influence [...]

Using Photographs to Lend Credibility to You.

http://blueflavor.com/people/jeff-croft/

Usability.gov

Great resources at usability.gov. I particularly liked the post detailing a study of which navigation style is the most effective. There are a ton more articles I think any web designer would benefit from using. Give them a peep.
Please mention any resources you know of relating to usability! I’ll be sure to check them out.