Shooting on film really helped with visualizing the exposure and depth of field of my shots, it was always a lot of fun waiting to see if my final photos looked as good as I imagined them, especially when shooting on picky film like Velvia (RIP).
> And possibly a dual-media camera: take a preview on digital, then if you want, take the shot on film.
Here are some guys using an analog version of your idea to preview their product shots: