Apple has released a rare Supplemental Update for Mac OS X 10.6.7, exclusively for the most recent edition of the 13-inch MacBook Air. The update addresses an issue that makes the system unresponsive when using iTunes, and Apple recommends it for all applicable MacBook Air users. The Supplemental Update is available via Software Update, or directly from Apple’s Web site. (Free update, 461 KB)
Use Expose to Open Files Quickly
Looking for an easy way to drag a file into a hidden application? First enter Expose's All Windows mode by hitting F9, then hover over an application's window while dragging your file, pause for a moment (or press the Space bar) and that window will spring to the foreground enabling you to open the file within that application.
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Mac OS X v10.6.7 Supplemental Update for 13-inch MacBook Air (Late 2010)
Set up short abbreviations which expand to larger bits of text,
such as “Tx” for “TextExpander”. With the new custom keyboard,
you can expand abbreviations in any app, including Safari and