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That looks like a good place to put your new camera through the paces. Your compositions in # 1 and 2 are my favorites, especially #2. It's too bad the sky is still blown out for you, maybe you need to use a layer mask to be able to retain the sky.
That pool looks like a tough place to shoot and to get everything exposed correctly, of all the shots I have seen of that place lately, they all have blown skies... There has to be a way to shoot this without blowing out the sky.