Photoshop Hot-keys E-mail
To be faster you need to learn the shortcuts called hot-keys. These little gems allow you to move quickly from one tool or action to the next; without hunting for them in menus.

The following is a short list of tool hot-key shortcuts in a ruff order of importance to learn.

Photoshop Tool Hot-key Shortcuts
 
 Default Foreground/Background Colors   D
 Switch Foreground/Background Colors   X
Decrease Brush Size   [
 Increase Brush Size   ] 
Hand Tool   Space bar or H
Healing Brush Tool   J
 Patch Tool   J
 Color Replacement Tool   J
Clone Stamp Tool   S
 Pattern Stamp Tool   S
 History Brush Tool   Y
 Art History Brush   Y
  Gradient Tool   G
 Paint Bucket Tool   G
 Zoom Tool   Z
 Toggle Screen Modes   F
 Move Tool   V
 Lasso Tool   L
 Polygonal Lasso Tool   L
 Magnetic Lasso Tool   L
 Magic Wand Tool   W
 Crop Tool   C
 Brush Tool   B
 Pencil Tool   B
 Eyedropper Tool   I
 Color Sampler Tool   I
 Measure Tool   I
 Toggle Preserve Transparency   /
 Previous / Last Brush   ,  >
 Next / First Brush   .  <
 Rectangular Marquee Tool   M
 Elliptical Marquee Tool   M
 Single Row Marquee Tool   M 
 Single Column Marquee Tool    M
 Toggle Standard/Quick Mask Modes   Q
 Slice Tool   K
 Slice Select Tool   K
 Horizontal Type Tool   T
 Vertical Type Tool   T
 Horizontal Type Mask Tool   T
 Vertical Type Mask Tool   T
Notes Tool   N
 Audio Annotation Tool   N
Path Selection Tool   A
 Direct Selection Tool   A
Pen Tool   P
 Freeform Pen Tool   P
 Add Anchor Point Tool    p
 Delete Anchor Point Tool   p 
 Convert Point Tool    p
 Rectangle Tool   U
 Rounded Rectangle Tool   U
 Ellipse Tool   U
 Polygon Tool   U
 Line Tool   U
 Custom Shape Tool   U
Blur Tool   R
 Sharpen Tool   R
 Smudge Tool   R
Dodge Tool   O
 Burn Tool   O
 Sponge Tool   O
Eraser Tool   E
 Background Eraser Tool   E
 Magic Eraser Tool   E