The silver gown fell victim to a lapse in productivity. Fortunately, I didn't really get started on the gown itself before it got shelved. The corset, however, did get completed, which will put me ahead of the game for this project.
The basic concept is a middle class English kirtle and doublet, much like this one, at least in basic layering. I've got an initial plan material-wise, but I want to run it by the wife first. A sketch will be forthcoming.