Activity for Corrinne

I really like this dress from David's bridal, but am looking for lined, non transparent sleeves. Does anyone know if they do that, or who could?

I found a dress on Etsy I really like, and I'm nervous. Has anyone bought from Etsy before? I'm nervous because I still want to try to lose a few pounds and tone up, but could order it now to have it for November. When do you usually buy your dress? ...