All the characters in casual/winter apparel tends to look a tad bit better (Mila rocks this DLC set).
I'm expecting these from the others:
Kimono: Ryu, Brad, Gen Fu
Steampunk: Rachel, Tina, Leifang, Lisa, Ein, Rig, Zack
Casual/Winter: Christie, Helena, Kasumi, Kokoro, Leon, Bayman, Bass