~57 FPS with quality mode is borderline for a good experience with frame gen - need a base FPS in the 60-70 region really to reduce noticeable latency and visual artefacts to non-intrusive levels.
Yup I always aim for at least 60-70 fps anyway, which is entirely possible with a 5080 OC and dlss. Even with fps in 40, I'll still take FG on over no FG though, I can adapt to extra frame latency within 5 minutes especially if using a controller.