Yes, seen the film. Pretty dissapointing too.
Crowe's accent is terrible, certianly not like nottingham accents I have heard.
It rates alongside Mel Gibson's Scottish accent in Braveheart and Dick Van Dyke as a Cockney in Mary Poppins.
It should have been a better film but it descended into to 'Merry England' type scenes with villagers dancing around to music from a mandolin and a hurdy gurdy....not too sure they were around in the 13th Century.
At one point you are also persuaded that Robin's father wrote the draft for the Magna Carta. So all in all a pile of faeces...