i've been a diehard user of Quicksilver since i first got my mac, and i've been tweaking it for literally years now....the goal has been to minimize the amount of times i have to use the mouse or manually fumble through folders. just recently i figured out how to do all kinds of searches (weather, movie times, torrents, translation, etc etc) directly from quicksilver. twitter integration was cool too. my only problem with QS was that it would get bogged down after a while. too much history, i dunno. there hasn't been an update to the program in a LOOOOONG time; now google releases Quick Search Bar, which apparently works the same way, except that it's more google-centric. i'm trying it out, hoping that it will do everything that QS did, but won't get bogged down as much.