Mactracker:Provides a program that will list every Macintosh ever built and the hardware specifications of each machine.
About.com: Mac Focus Center: FAQs, technical support, and rumours.
Apple Hardware News: News, tips and information on Mac hardware.
Apple Spec Database: Specifications on many models of Macintosh hardware.
AppleCare Hong Kong: Information about the Hong Kong hardware protection program.
AppleMatters: Disassembling the iPod Shuffle, step-by-step.
Dave Marra of Apple Computer: Resources and information for Macintosh users.
Disassembly of an Apple Pro Keyboard: Ripping apart an Apple Pro Keyboard and giving it a thorough cleaning is presented in painstaking detail.
Engadget: Turn your Mac mini into a media center: Covers the various aspects to think about when planning a Mac mini media center system, plus shows how to control a Mac mini headlessly from any computer in the house.
EveryMac.com: Macintosh technical, configuration, and pricing information.
Focus on Mac Hardware: Unlock all the power in your Macintosh, stay informed about upgrades, and get system software updates and tech support. From About.com.
Gear Live - Why Apple Makes a One Buttoned Mouse: Apple system software has supported a multiple-button mouse for many years, but here's some reasoning behind them selling one-button mice.
Hardware Developer Documentation: Read about the development of Apple hardware, including computers, cards, and peripherals.
HP Products & Services - Macintosh Compatible Products: Direct link to a page listing everything sold by Hewlett-Packard that works with a Mac.
Mac Gurus: Secure online sales of Macintosh memory products, hard drives, systems, RAID, and other peripherals.
MacGurus Motherboards Database: Mac motherboard layouts. Details needed to make informed buying decisions about Mac memory upgrades.
The Macintosh Resource Page: Pacific Microsystems is a reseller of hardware and software, and also offers downloads, information, and links for Macintosh users.
The MRP RAMWatch: Tracks the daily price of RAM.
VIS: Source of Apple Mac parts, logic boards, power supplies and floppy disks.