If you like shortcuts and don't mind memorizing keystrokes, Dan O'Reilly has put together a nice list of some real time savers. I use a lot of them myself as I am a keyboard addict.
"If you're familiar with keyboard shortcuts, you probably know that you can cycle through your open windows by pressing Alt-Tab. But you may not know that pressing Alt-Esc moves between your open windows in the order they were opened." [Read the full article...]