Well I guess it's good to be critical of your own work, it just makes me even more depressed when you talk about your works like that. I agree it's a really inspiring show/book. I must try something related to it sometime in the future as well.
Great colour for the sky, it has a good "warm to cool" range as it moves from the sun to the edge. The islands near the middle look very good too, no wonder this is a bay was chosen as a settlement area, that castle would have a pretty neat view