TidBITS:

Randy Spydell asked, in essence, why the File menu has a Duplicate command instead of the traditional Save As command. Implicit in his question was “and is there any way to bring back Save As?”

The answer to that second question is yes, and I’ll explain how in a moment.

This is one of those wonderful little “hacks” that you either don’t care about or you’re sitting there right now, going through Adam’s steps to put Save As back where it rightfully belongs.