Out of the ones you posted I like #2 because I'm not crazy about the ribbons on the other ones. I don't know how much you're wanting to spend, but have you seen these Kors ones? I have them in blue and I love them. I haven't worn them for an extended period of time yet but they seem very comfy. Bloomie's has them in red (they're just under $200).
i like #2 or the ones that trisarahtops posted! seems like it depends on if you want the full look of the traditional espadrille (with all the ties) or not.