If you're looking for another not-very-discoverable shortcut that's quite useful... press Command-Tab until you get to the application you want, then without re

If you're looking for another not-very-discoverable shortcut that's quite useful... press Command-Tab until you get to the application you want, then without releasing it press up (or down). You'll get the exposé view for the selected application's windows. While that's open you can arrow between them to select the one you want or type to select by window name.