You can Move and resize selections under Select>Transform Selection You can do text Kerning between letters while pressing alt+arrow keys Refine Selection is amazing and should be known, also you can refine masks without having a selection under Selection>Refine mask
Oh and one I did not know till recently. If you paste a huge image into a tiny texture, and hit Ctrl+T to transform, alt clicking will place the center point below the cursor, so you can now alt+shift drag the corner to get it to scale down without having to zoom way out first.
Nice... lets see... -You can ctrl+alt+t a layer or selection to transform it and then ctrl+alt+shift+t to repeat the transform multiple times, comes in handy sometimes... -If you have a really messy layer stack and you want to hide some layers here and there one way(instead of looking for them in the stack) is to select…
Another one I use a lot in cs6 (the improved vector tools are getting a lot of use!) is to hotkey the pixel snapping option for shape layers. It was taken out of the top bar, but you can create an action to toggle it on and off in the preferences (General > 'Snap Vector Tools and Transforms to Pixel Grid'). I've set mine…