If you live in Alabama, Florida, Georgia, Louisiana, Massachusetts, Missouri, New Mexico, South Carolina, or Tennessee, you will soon have a limited opportunity to purchase certain Apple products without paying sales tax, thanks to sales tax holidays provided by those states. Apple has published a list of the states, their respective holidays (generally August 1st, 2nd, and 3rd), and where to find your nearest Apple Store. The tax holidays will also apply to online purchases made by residents of those states. follow link
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.
How to Get Apple Products Tax Free