The National Society Of Film Critics became the latest group to anoint David Fincher and Aaron Sorkin’s Facebook drama the best film of 2010 and used the occaiosn to call on the MPAA to overhaul its “inconsistent and censorious” ratings system.

The Society also issued a statement condemning Iran’s imprisonment of directors Jafar Panahi and Mohammad Rasoulof.

Forty-six members of the 61-strong Society took part in New York on Saturday [8] on the 45th annual vote – a meeting that was dedicated to the late Peter Brunette – and named The Social Network’s Fincher and Sorkin best director and screenwriter and awarded best actor to Jesse Eisenberg.

Giovanna Mezzogiorno from Vincere was named best actress, while Geoffrey Rush from The King’s Speech and Olivia Williams from The Ghost Writer won the supporting acting categories.

Carlos was named best foreign film of the year, while Roger Deakins won best cinematography for his work on True Grit and Inside Job won best documentary.

In a statement relating to ratings, the Society highlighted what it regarded as harsh R classifications for language in both The King’s Speech and The Tillman Story, saying it amounted to assigning “a rating to reality.” The body applauded the decision to downgrade the NC-17 rating for Blue Valentine to an R.