Grahame...you are getting really good at these and will soon be a morning person waking everyday at 4AM.
I am torn between #1 and #2 and if you get the levels on the 2nd tweaked I would really like to see that because even though I agree with Donald about the islands being a supporting act I also agree with Daniel that the position and cropping of the island on the right is more pleasing in the 1st if we could see it all. I wonder if cloning it out would work in the 2nd?
The 3rd and sunset has some real potential but that might be past your new bedtime
I also love the positioning of the horizon and I would probably have fussed about it like you did
Sorry for the late reply, I wanted to properly look at these and I got a bit sidetracked on some processing issues as you have probably seen in my HDR thread.