Woohoo! You and Boden are a great match!
I like all the dresses, here are my thoughts:
1. I think the coral is a great wild card for you. The white opens up the color, and I doubt it is a problem for your complexion. Also, since dresses are kinda stand-alone pieces in outfit creation, it's a great way to use a color that looks fresh and modern, while not having to style it with other pieces. The drawback? You really have to feel great in a wild card piece --- like it's fun and special. Also, it's not going to work beyond spring and summer.
2. The 1st and 3rd dresses are right in your wheelhouse. Keep!
3. The floral: I LOVE the way you fixed the girly sash problem. When they were big in the 90's, I used to pull them back around and tie like an obi to avoid the tails behind in my 30s. You've shown me a solution for the 50s! I think this dress is so pretty on you. It's sophisticated enough to work. Wouldn't it be great to wear to sit out at a bistro with Mr. Suz? Or to entertain at home, where you could kick off you shoes after dinner, and curl up on the couch --- some things are easier in a fuller skirt.
Actually, this dress makes me imagine a casual fuller skirt for spring/summer. I can see you in a striped bateau tee, with lovely elbow sleeves, a chambray or poplin skirt just below the knee, some espadrilles, white sandals or sneakers, and a jaunty kerchief at the neck or tied round your back or waist.
Actually, maybe this is "Suz in Paris." Tell Mr. Suz I suggested that!