I thought Ezri was much better than Jadzia. She was cute, spunky and her story was much more interesting. When trills prepare their whole lives to deal with the symbiont, she was suddenly thrust into having one without any time to prepare. I liked how they handled her being mixed up with the memories of her past selves. Think about things from her point of view. She has memories of being Jadzia, of being married to Worf, of having friends on DS9. But as far as everyone is concerned she's a stranger, a reminder that Jadzia is dead.
I thought she was great