More tidbits of findings that I’m saving on my page in case they can’t be found again.  In previous version of Photoshop, they had an awesome shortcut for selecting highlights:

ctrl+shift+alt+~

However, since CS4, that hasn’t worked. I have had a dickens of a time finding the new key as this selection operation isn’t available via the menus – so I didn’t even know what the operation was called so I could Google it.  Then I found this link that told me what the new combination is:

ctrl-alt-2

This is a super-handy shortcut for some of the operations I do when balancing the brightness in a photo without losing the shadows.  Now you know – and knowing is half the battle!