Utilu Silent Setup for Mozilla Firefox is a small multilingual utility which after approval automatically downloads and installs the latest version of Mozilla Firefox, and then immediately opens one or more websites. It asks no difficult questions and does not show technical information or error messages and even works under the most restricted user accounts, so you can quickly use Firefox on any computer and also easily explain how to install Firefox to anyone else. Since it always works and is very simple to use, you can include it on your website, so you do not have to code for non-standard compliant browsers anymore. Note: If you already have Firefox installed you don't need this utility.
Rated 40/50 by sweathog at May 16, 2011
Still liking this, but for some reason you cannot auto-install a previously downloaded version of Firefox, rename it and install it into a custom directory, via command line switches, as their install FAQ suggests. But for downloading and installing to default directory, this can't be beat.