John, Mike and Hans - thanks for some interesting comments, which I do take on board.
I prefer the second image because I was able to put some contrast and drama into it without the colours going haywire. The bush in the foreground of both versions is important because it prevents your eye from sliding out of the bottom of frame, but to me the image is all about the long tree-covered ridge in silhouette, and (less important) the view of more distant hills through the small window in the mist / clouds. But we all interpret scenes and images of scenes differently, which is a blessing because it would be so boring if we all saw things the same way.