UPDATE: 08/09/13
Photos of my 1st, 2nd and 3rd Quorra Tron Legacy costume build.
1st attempt was back in August 2010 for Dragon CON with reflective tape and a craft foam and matte vinyl fabric overlay and my 2nd build was made with White EL Wire which was diffused with shower curtain white backing and chest, arm and skirt are made in black latex.
My 3rd and final build was just LuminousFilm.com El Panel in white Lite Tape to light my suit armor.