TAB (Hide floating palletes & tool bar)
COM + ' (Grid on & off)
COM + D (Deselect)
COM + A (Select All)
X (Toggle foreground & background color)
W (Magic Wand)
F (Toggle Views)
Com + Z (Undo)
Shift (Add to selection)
Option (Subtract Selection)
COM + V (Paste)
COM + C (Copy)
COM + +SHIFT + N (New Layer)