Use these add-ons to make the top of the Firefox window transparent (like Internet Explorer) in Windows Vista and 7.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.
Collector's Note This isn't completely necessary, but it's kind of cool. To get a Vista-like "personal bar," use one of the Stylish codes from here: http://www.sixxgate.com/forum/viewforum.php?f=20
A companion add-on that adds new features from the Firefox mockups to Strata40.
Collector's Note To be used with Strata40. This add-on ads several UI options to Firefox, such as implementation of Vista and 7's Aero glass as well as the option to place tabs above the address bar.
Bring back your personal and powerful Firefox Button!
Collector's Note Use this to hide the "File, Edit, View, etc." menu at the top of Firefox.