From : TiceHH Added: Oct 1, 2009
New X-ray quickview in Snow Leopard with Terminal command: defaults write com.apple.finder QLEnableXRayFolders 1 Category : Tech
Folder contents animation in Mac OS X 10.5.x or Leopard or Mac OS X 10.6.x Type in terminal: defaults write com.apple.finder QLEnableXRayFolders 1 to activate the hack and ...