I am really excited for this. I've wanted a way to give townies makeovers for awhile and like that I can have a sim start trends also.
I basically plan on having some sort of stylist in most of my save games because it's a big issue for me (making over townies).
I have multiple ideas.
I want one probably in a true celebrity save that will become a famous stylist. I see him as being kind of mean though and over the top in his personal dress. I'll probably start trends though of more subdued styles.
When the game came out I made a couple to do townie makeovers.. basically they would move them in and exercise/make them over. I'm considering doing something like that again... more combining this career with a personal trainer. So maybe in another save I have.
For my horror save I'm excited about putting Sweeny Todd in this position (maybe he'll be a barber later). I'll makeover and set trends in that save and he'll kill of those sims that I don't want to make over. Will have to see how to work with or around the new reputation system coming with the pack though..
I do love the idea of working out of boutique @simgirl1010 also I've never given retail a go and maybe I'll combine the two possibles also.