You might wanna try GravityI m having Dolby 5.1 system so it can differ but Atmos has immersive experience as per Dolby.I haven't felt any difference between 7.1 and Atmos in theatres.Anyway, lets get back to the topic.Here is the list I experienced best in Dolby
1.Mad Max Fury
2.John Wick trilogy
3.Guardians of the galaxy /vol 2
4.Avengers Infinity War/End Game
5.Spiderman Homecoming/Far from home
6.Black Panther
7.Aquaman
8.Jumanji (Dwayne Johnson starred)
9.Shazam