I kind of miss having the option to immediately delete a film after a sortie, but then I had a tendency to delete every film in which I died. You can learn more reviewing a film of an unsuccessful flight. What I do miss is how starting and stopping the recorder in flight did not result in multiple film files. Every flight was one film, no matter how many times to stopped and restarted the film.
I also miss that AW radar that showed EXACTLY how many nme and friendlies were in a sector (remember "block parties"?), then showed the plane type icons before you were in visual range. I know it was extremely gamey, but you could pick and choose your fights.