Apple Discussions Support Forum
What better place to go when you get the dreaded Spinning Beach Ball of Death than to the source of the voodoo itself? Select discussion topics by OS or program, or just type your problem into the search box.
CNET's MacFixIt Feed
Tech blog CNET keeps tabs on all their OS X-related updates with the MacFixIt blog. Head here to search for updates, cool features and troubleshooting. There's lots of Q&A posts from confused Apple geeks like you.
The MacRX Category on Cult of Mac
Cult of Mac keeps it simple: All Mac, all the time. Follow their troubleshooting-specific MacRX category to get updates on everything from good Mac maintenance and un-deleting files to how to fix start-up problems and get your Mac running fast.
How To Fix Common Mac OS X Problems Without Rebooting
This single blog posts features a few cool ways to get inside your Mac's mind. You can learn how to kill tasks and close applications without a restart.
Fix My Mac at Squidoo
All the best tips to get your Mac running in tip-top shape—and keep it that way. This post coveres troubleshooting general problems, plus day-to-day and weekly/monthly Mac maintenance plans.
"BUT I'M A PC!"
→ Check out The Best Resources for Fixing Common PC Problems.