Start posting all the short cuts you know! I'll start: ctrl+A (select all) ctrl+N (New Document) ctrl+O (Open) ctrl+Q (Quit P.S.) ctrl+C (Copy) ctrl+V (Paste) ctrl+X (Cut) ctrl+D (De-select) ctrl+T (Transform) ctrl+Shift+I (Inverse) ctrl+alt+R (Refine edge) ctrl+shift+alt+B (Tint) ctrl+shift+alt+E (Apply image) ctrl+shift+N (New layer) ctrl++ (zoom in) ctrl+- (zoom out) ctrl+shift+O (Open Adobe Bridge) ctrl+shift+S (Save as) ctrl+S (Save) ctrl+shift+alt+S (Save for Web) B (brush) P (Pen tool) M (Marquee tool) O (burn, dodge, sponge tool) E (Eraser, Magic eraser) R (Blur, sharpen, smudge tool) A (selection tool, direct selection tool) V (Move tool) Z (Magnifier tool) L (Lasso Tool) H (hand tool) U (Custom Shape) I (eye dropper tool) G (paint Bucket, Gradient tool) D (default black & white) X (switch between fore ground & background) S(Clone Stamp) J (Spot Healing brush) Y (History Brush) T (Text tool) F5 (Brush Preset menu) Post MOAR!
Ctrl+S Most important shortcut of all shortcuts! Saving your work from time to time will benefit you! You'll never know what kind of unexpected Sh!t might happen... :3