Spotlight searches can bring up long lists of results, and there are a few ways to navigate through them quickly.
After you've typed in a Spotlight search and you've got your list of search results growing down the right side of your screen, we all know you can use your up/down arrow keys to move through the list. From this hint, you may also have known about navigating with the Command keys and arrow keys.
But did you also know you can also use Control and the Up/Down arrow key to move to the top or bottom of the list? You can also use Command (or Control) plus the Left or Right arrow key to jump back to the beginning or end of the search field.
Mac OS X Hints
http://hints.macworld.com/article.php?story=20060331160004499