C&C welcome
Rolling water by Dubravka Bacic, on Flickr
C&C welcome
Rolling water by Dubravka Bacic, on Flickr
I prefer this one. Too much out of focus area with the other image.
I would have to agree with Geoff; of the four that you have posted, this is by far the strongest.
While an image does not have to be in sharp focus, the only thing that really matters is that you and the viewers like them. Water is very tricky to photograph at the best of times as you are trying to translate a 3-dimension, moving subject into a 2-dimenesional static one.