Please post links to useful Mac related information to this thread. I will periodically consolidate the threads into one link list.
I will also include my own links here, but I'm not intending this as spam :)
CreativeTechs - Professional Mac support for Seattle-area creative teams. http://creativetechs.com/
*They also have a weekly tips email that I've found valuable over the years. Sign up or read it online at http://creativetechs.com/tipsblog/
DealMac - find great deals on Mac related items (http://www.dealmac.com)
http://www.everymac.com - Technical specs on all Macs
http://lowendmac.com/ - Information about Old Macs
www.macexpert.com - Russ Alman's Mac support site. Mac support in Olympia and the South Sound. Also, remote screen sharing support anywhere. I am focusing on my marketing business now (Alternative Marketing Connections), but still offer Mac services. My specialty areas are Marketcircle Daylite (Mac-based customer account management CRM), SugarCRM (Open-Source, platform-independent, web-hosted CRM), social media-friendly website design, and social media marketing/management programs.
*MacNN - probably the most up to date source for Mac news (http://www.macnn.com)
Marketcircle http://www.marketcircle.com - Mac sales automation tools, including:
Daylite (Networkable customer relationship and project management)
Daylite Touch (iPhone app version of Daylite)
* Billings (Mac billing software, links to Daylite)
http://mac.oldapps.com/ - Old versions of Mac Software
http://www.xlr8yourmac.com - Information about hardware and peripherals