Apple has released iTunes 10.4.1, a minor update that addresses a number of bugs. These include issues with the media keys on some third-party keyboards, a problem with adding artwork to songs and videos, and a problem with VoiceOver support. Rounding out the update are fixes that resolve issues related to purchasing HD movies and the speed with which iTunes opens after a Mac wakes from sleep. (Free, 90.26 MB)
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Show Hidden Files in Open/Save Dialogs in Snow Leopard
In Snow Leopard, if you want to show otherwise hidden files in Open and Save dialog file lists, just press Command-Shift-period. Pressing it again hides the files.