Also here are some very useful Mac sites you should visit.
1)
MacOSXHints.com - a great daily hints site.
2)
Accelerate Your Macintosh.com - a great site for adding hardware hacks to your Mac
3)
iFixIt Guides.com - a great how to install instructions for ram, hard drives and DVD/CD replacements in Apple portables
4)
BareFeats.com - a speed testing comparison site for Apple related products
5)
"Well Known" TCP and UDP ports used by Apple software products - good Apple document for working with firewall/router logical ports
6)
MacFixIt.com - read the fix it articles with a grain of salt but it can sometimes be informative
7)
MacWindows.com - Reader reports of using Mac in Windows dominated enterprise world
8)
MacMinute.com and or
Macworld.com - Mac news sites
9)
MacUpdate.com and/or
VersionTracker.com - Mac software updates listings sites
10)
OWC and/or
Crucial - two sites that sell guaranteed RAM that works great with OS X machines (Apple charges WAY TO MUCH for extra RAM)
11)
MacPicks.com - find most any Mac centric web site on the net through this site
12)
VMware or
Parrallels.com - programs that help you run Windows and OS X at the same time on Intel Macs