The Swedish radio programme P3 Dokumentär has made a documentary about project Metropolitan. The documentary focuses on the media debate in the 80s - a debate that questioned the ethics of social research carried out on citizens in general and within project Metropolitan in particular.
Here you can listen to the programme - "Projekt Metropolit" [in Swedish]:  http://sverigesradio.se/sida/avsnitt/627369?programid=2519

The other Swedish radio programme P1 Tendens has made a documentary about how one of the cohort member’s life changed when he got information about his past through the register.
Here you can listen to the programme - "Forskningsprojektet Metropolit avslöjade Lars familjehemlighet" [in Swedish]: http://sverigesradio.se/sida/avsnitt/620804?programid=3381

Read more here [in Swedish] http://www.su.se/om-oss/press-media-nyheter/nyheter/ny-radiodokument%C3%A4r-om-metropolitprojektet-1.253142