One of the great new features in OS X Mountain Lion is the ability to edit filenames from the file open dialog.
Previously you needed to open a new Finder window to make changes to filenames; however, with OS X Mountain Lion you can simply click the file twice or click it and press return to edit its name.
Take a look below...


Previously you needed to open a new Finder window to make changes to filenames; however, with OS X Mountain Lion you can simply click the file twice or click it and press return to edit its name.
Take a look below...

