Sites
Here are some sites with OSX info.http://osx.macnn.com - MacNN's site for info on OSX
http://www.macfixit.com/macosx.shtml - MacFixIt's site for info on OSX
http://www.osxgnu.org - GNU for OSX
http://www.macosxapps.com - Apps for OSX
http://fink.sourceforge.net - Very good Debian like package manager for OS X
http://www.macosxhints.com/ - OS X Hints Page