I'm a fan of #2 and #3. The first one...the noise just doesn't do it for me. The depth on the second one is really cool to me. And with the water as smooth as it is, you can't really tell where the posts begin. Very cool! The third has some awesome detail. The blurred background really helps this image, IMO.
I like your high-key images, probably #1 is my fav. I would clone out the tiny distractions on the far right and left side, not sure what this is but it looks like a plus and minus sign.
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#2 is very good, but looks even better with the horizon-line moved to the top third line (it gives it more depth). Well spotted.