Ok, just watched it and it was really good. The introduction of the worms was great, the Harkonnen and the oil bath, very interesting to watch. Yes, can def recommend this movie and looking very forward to the second....There has to be a second 1, too much of a cliffhanger at the end.
Also, it wasn't clear why they had to use swords and there were no guns.
P.S, the first movie was very long, around 2 and half hours. That being said, really appreciated it. Would have no objection to a second movie that is as long on the condition that the content is as good as the first one.