Do we need yet another retelling of the Arthur legends?
Not in my mind.
I am fascinated by the legends and read about them avidly. Each time there is a new movie, or TV series I want it to be good but I have been disappointed most times.
Excalibur is still the only big screen adaptation that I have any time for. I am glad it was made when it was, in the way it was. If made today it would have too much reliance on special effects / CGI.
from the trailer I have seen, it's just another Guy Ritchie "lads" movie and the mythical elements removed or downplayed. I live in hope but fear the worst.