Rated 5 out of 5 stars

All Glass Firefox, Including All Maximized Windows
Carefully follow the three steps for Firefox 3.5.1 here:
http://lifehacker.com/5322073/firefox-37-theme-makes-your-browser-look-awesome
Add VistaGlazz
Download, install, run.
leftmost button, followed by reboot.
second to left button, good to go.
All your windows maximized, including Firefox, Chrome, Safari, Opera, and any other explorer.exe window are now glassed.
Complete the look, for Vista, with glass docks, linking to custom folders you create, in your Quick Launch items in your Task Bar:
http://www.alastria.com/index.php?p=software-7s
Your entire Windows Vista experience is now transformed to a complete glass look.
Enjoy,
amethystzephyr

This review is for a previous version of the add-on (1.1.1).