After playing around with the new Glamour Dresser, I found the system to be almost everything I wanted it to be. I have a couple outfits I can put on any class and used a separate plate for the Emperor's New Fists so I can make my fist weapon invisible while still making my other plates not reliant on a job.
However, the one thing I found lacking was a way to "turn off" the glamour. While I know I can do it the old way by buying the item and doing it manually, I could see people wanting a way to undo the glamour they put on. For example, they have a nice suit glamour for an Eternal Bonding ceremony but want to go back to the default gear look afterwards.
tl;dr - The ability to turn off glamour plate, a de-glamour plate, or the ability to make a de-glamour plate would improve the system.