As people has said in the past most of those moves look great at the airshows and as you said have extremely limited tactical use. With that being said I still think the Flanker series are some beautiful aircraft.
FYI there is some footage of the Su-34/Su-32 Platypus (Nato: Fullback) at 1:35-1:41. Some footage of the Su-47 Berkut (Nato: Firkin) at 2:03-2:15.