Also, note that you can use Spotlight to do fast app switching, just like Launchbar or Quicksilver: just type your Spotlight search shortcut (mine is control-sp

Also, note that you can use Spotlight to do fast app switching, just like Launchbar or Quicksilver: just type your Spotlight search shortcut (mine is control-space), type the first few letters of the app name, and hit return. It's good enough I gave up on Quicksilver. I never used the fancier features.