The Next Web

emmawelles:

Here’s the toolbar shortcut map… Remember if you press ⇧ + the letter, it will toggle between the tools that share that shortcut. Or you can disable that in the Preferences and just press the same letter repeatedly to toggle through the tools.

A Select Vector
B Brush, Pencil…
C Crop, Slice
D Set default BG and FG colors (black and white)
E Eraser
F Toggle Screen Modes
G Gradient, Paint Bucket
H Move Canvas
I Eyedropper
J Healing Brush
K Rotate 3D Object
L Lasso
M Marquee
N Rotate 3D Camera
O Color Dodge, Color Burn
P Pen
Q Enter Quick Mask Mode
R Rotate Canvas
S Clone Stamp
T Type
U Shape
V Move/Select
W Magic Wand
X Swap BG and FG colors
Y History Brush
Z Zoom
/ Lock layer
1-0 Selected Layer Opacity from 10% to 100% (tap two numbers quickly, like 37, to get specific values. And 00 to set it to 0 opacity.)
Tab Hide Chrome

 (via More awesome Photoshop Secrets! | Abduzeedo Design Inspiration & Tutorials)

SO USEFUL. I also get lots of use out of these:
[ smaller brush size
] bigger brush size
cmd - zoom out
cmd + zoom in
cmd H toggle guides