Bridesmaids' Dresses decided. Seems that my future MIL has a skilled seamstress as a good friend and will basically make the dresses at cost. They will be the standard tea length velvet/velour, scoop neck, three-quarter length sleeves. I already found some beautiful tulle the exactly right shade of blue, and will make scarves that they can wear as they want (belt, neck, hair, whatever). Probably silver shoes, and I plan to get them each a faux white stole. If I can find a picture, I'll post it.
Picture this in a cobalt blue, a (very) little flair to the skirt, and tea length: