Mac Forums
Hardware, software, iPod & iPhone, digital, Mac rumors, you name it Mac & have a question to ask the guru's? Check it out.

MacGurus Motherboard Layouts
Quote..."You have stumbled upon a formerly semi-confidential resource which we are now proud to share with our customers and fellow MacGurus worldwide! Here, in glorious color, are the details you need to make informed buying decisions about Mac memory upgrades! The information on these pages is also useful if you simply wish to understand the coolest computer ever made, or would like to elevate the sophistication of your dialogue with your local Apple Value-Added Reseller."...Unquote.

Build Your Own G4
This tutorial will run you through the various G4's and their configurations, where you can find the parts needed and all the rest in easy to follow lingo.

HP Macintosh Compatible Products
Ever notice how HPs site seems to continually change and yet get harder to find anything? (Always been my best example of what NOT to do with a website.) Now try and find this from hp.com! And how many Mac users have a HP printer, scanner or camera? Get a clue HP!

MacGurus Upgrades Forums
Good forum community for upgrading your mac from general upgrade discussions to step-by-step guidance. 

Macintosh Logic Board Battery Information
Very informative site describing how to recognize the symptoms or a dead battery in Mac AND how to fix it. Much battery info.

Apple Service Manuals
Gotta love it when you can actually find the service manual for a product when you really want to get into the guts of it. It seems Apple has continually made it difficult for this guy who has tried to provide a great resource for their products and with much more ease than you will ever find on the Apple site! Make sure and read the info on the bottom of the page.

MacInstruct
Nice tutorial section for all geek levels. Also find tips, reviews, forums and so on. Recently pulled the old PowerBook out of the closet and this was a refreshing site to find.

Accelerate Your Mac!
The Source for Mac Performance News and Reviews! This site is awesome! Incredible amount of reviews and articles on  systems, CPU's,  SCSI vs. IDE, troubleshooting tips, etc. etc.

Macintosh TuneUp
Click on the Macintosh TuneUp link in the left hand column for detailed over-clocking and configuration for various models.

Mac SE Support Pages
This is the page for people who like to squeeze the last bit of toothpaste out of the tube, and the last ounce of performance from their ancient Macintosh SE (It's incl. because this was my 1st computer & I'm still squeezing.)

Clock Chipping Page
Info on how to improve CPU performance on Apple machines and clones. History and background info on how processors work and why you can usually alter them to process quicker. Stats page where users contribute their increased clock rates.

Mac Speed Zone
Here's a cool site with a mess of info from reviews, specs, upgrades, benchmarks, new Macs, old Macs, (well only so old) and some nice Mac vs. Windows performance comparisons.

Mac Internet Monitor Database
The Internet Monitor Database has specifications and compatibility information on thousands of monitors. Search by model or manufacturer.

The Mac Resource Page
Current with the latest news, info and update watch. Make sure and checkout the software page, and currently on the "Features" page are articles explaining how to obtain, install, and begin working with Linux on Apple hardware.

iMac™ Support Center
Help you with any technical problems you might be having with your iMac from The Mining Company. All kinds of help plus more links.

Everything Mac
The name says it all...

The Low End Mac
Breathe some life into your old Mac. Low End Mac is dedicated to keeping older Macs and compatibles productive. "Many" resources here. (Site has changed and I haven't had time to verify the above still holds true.)

Mac Fix It
Troubleshooting Solutions for the Macintosh.

DIY Mac Repairs
Mac Hardware Troubleshooting Links. (yes, more links) A bit dated, but still a great resource.