One of my pet peeves with Mac OS X always appears when I'm in the process of opening a file from an app and want to either make a duplicate of an original or just want to rename the file. With Lion and previous versions of OS X, that meant that I'd have to close the "Open" dialog, open a Finder window, make the name change, and then go back to the dialog. AppleInsider noted today that the Mountain Lion developer preview adds some chan