Rogue Amoeba has updated its audio redirection software, Airfoil, to version 4.0.1. Among the fixes are an update to its Instant On extra so that it no longer corrupts audio from Spotify, System Audio, and other sources, and which fixes a memory leak problem. Other memory leaks have been plugged as well, along with a video tearing problem that affected the Airfoil Video Player. This version also adds support for .dvdmedia packages and other file containers that contain VIDEO_TS folders. A complete list of fixes and changes is available here. ($25, free update, 11.1 MB)
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Use Shift to Compare Edits in iPhoto '08
In iPhoto '08, while you're editing a photo, press the Shift key to see a "before" view; let it up to see the "after" view. It's much faster and easier than using Undo and Redo.