Probably not the answer you want, but as a long-time mac and emacs
user, my suggestion would be to use the vanilla os x version of emacs.

The "nextstep" build of emacs runs as a native app,

You are suggesting to a Mac user to build his own Emacs?
Do you know what that takes?
About 10 minutes :-)

I just realized that it is even possible to download it prebuilt.

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I like the version available from railwaycat/emacsmacport tap (https://github.com/railwaycat/emacs-mac-port).

Vikas