SecureMac has released MacScan 2.9, which updates its malware blocking utility for full compatibility with Mac OS X 10.7 Lion. The latest release of MacScan, which includes the most recent malware definition signatures, can now also quit all running browsers when a scheduled scan is executed, and automatically checks for new updates by default when it is first run. ($29.99 new, free update, 5.6 MB)
View Extra Audio Details in Snow Leopard
In Snow Leopard, Option-clicking the Volume icon in the menu bar displays a list of sound input and output devices. Choose one to switch to it; it's much easier than using the Sound preference pane. Also, hold Shift and click the icon to set the system volume, which is separate from the general output volume.