Quick Photoshop tips to save you time

I wanted to share a few Photoshop tips to help make you more productive. Hopefully there is at least one here that you didn't know about.
Enjoy!

• Hitting Tab hides all of your palettes. Hitting Tab again brings them back.
• Shift+Tab hides all the pallets except your toolbar.
• Hitting the "D" key resets your color pallets to Black foreground, White Background.
• The "X" key will toggle your foreground and background colors.
• Use CMD+Delete to fill your layer or selection with the current background color.
• Option+Delete fills your layer or selection with the foreground color.
• Change your paintbrush circle into a crosshair for precise control by pressing the Caps Lock key. 
• Zoom back to 100% by double clicking the magnifier icon 
• When zoomed in pressing the space bar will temporarily switch you to the hand tool for panning
• Ctrl-D to quickly Deselect a selection
• The square bracket keys [ and ] are used to increase or decrease brush size. By adding the Shift key, you can adjust brush hardness. 
• CMD + Shift - Do this a lot :-)