I'd really like to be able to save looks in Vanity the way we do in Wardrobe, to make it easier to go back to an earlier one after we've been messing around with our faces. Y'know, nose height, eye spacing, hairstyle, etc.
I'd love an option to save an entire vanity + wardrobe look, too. (So, say you have a red dress that goes best with red lipstick and your hair up, you save that entire combination so you can switch to it with a single selection).