Apple's Mac Pro Audio Update 1.1 reportedly addresses odd noises emanating from some early 2009 Mac Pros when using FireWire audio devices in conjunction with Mac OS X 10.6.3. No specifics are given regarding what causes these noises or how the update prevents them. We suspect gremlins. (Free, 516 KB)
View Extra Sync Details in Snow Leopard
In Snow Leopard, Option-click the Sync icon in the menu bar to display a menu showing each available sync service and when it was last synced. Other new items in that menu include commands to Reset Sync Services entirely and to open the iSync and Sync Diagnostics utilities.