For the Power User…

App Switching
Alt+Esc works like Atl+Tab on Windows. Hold the Alt key and press the Escape button. Continue to hold the Alt key and select a program. Release the Alt key to switch to that program.

Capitalize a letter
Hold the letter key until the capitalized letter appears.

Move the cursor in a different direction
The Alt key and roll the trackwheel.

Select a check box
Press the Space key. To clear the check box, press the Space key again.

Move down a screen
Press the Space key

Move up a screen
Press the Shift key + the Space key.

Turn on the backlighting
Press Power button

Turn off the display (saves power)
Press Power button twice

Insert the at sign (@) and periods in an Email field
Press the Space key.