Let there be links!

http://adiumx.com
-AdiumX is a multi-protocol IM client for OS X

http://buyersguide.macrumors.com
-Please please please consult this before you buy an Apple product and then whine that a replacement is out a week later

http://pricegrabber.com
-Great for checking prices on stuff before you buy it

http://howardforums.com
-Hands down the best resource for cell phone information