Google's site search trick: Learn it, use it, love it
I don't get how there are still so many people unfamiliar with Google's site-specific search. It's such a necessary feature, and often times, Google's search produces better results than the website's own search engine.
If you somehow are still unfamiliar with this trick, here's how it works. Append "site:" and then the domain (no space) followed by your search query. For example:
Google Chrome for Windows apparently has a feature that lets you hit tab from the address bar and get a site search. Can't wait till this comes to the Mac.