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)
Expose Shortcut for View All Windows
In Expose mode in Snow Leopard, press the Tab key to view all windows belonging to one application (equivalent to pressing F10 or Control-F3 on recent laptops). Press Tab again to switch between applications while remaining in Expose. You can also click an icon in the dock.