Well, I certainly haven't held back from highlighting how great Quicksilver is in the past. And I'm not about to change that today.
Lifehacker has published yet another great article on Quicksilver: "Hack Attack: The Quicksilver video extravaganza". More great stuff... videos really are the best way to explain what Quicksilver is all about, and who doesn't love an extravaganza?!
And so, I ask again: if you use a Mac and aren't using Quicksilver yet, what exactly are you waiting for?