Learning about your Mac, code-named "Appleseeds"

Tips, tricks, training and apple-bobbing buckets full of resources for bettering your Apple Macintosh experience.

Worms

Troubleshoot - Finding solutions to your Apple woes

General

Apple.com - Support
Don't underestimate the quality of information that is available through Apple's site. Beyond the basic FAQs and troubleshooting guides, their Knowledge Base is a wealth of "help me fix it!" information.

Hardware Related

iFixit.com
Best place for free repair manuals for all things Apple, as well as replacement parts and tools.
MacTracker
Can't remember what video card your 3 year old Mac has? Don't know if it's one firewire or two on your Mom's MacBook Pro? This nifty app will give you specs on every Macintosh ever made.

Software Related

Cocktail
If you find your Mac running sluggish or are just experiencing a bit of oddness with your systems performance, a run of Cocktail's "Pilot" mode may be what's needed. An alternative (and FREE version) that many like is Onyx.