I use Seamonkey, which is sort of the Firefox recreation of the old Netscape suite. I, too, refuse to allow toolbars to install, and despite running with what is arguably a much more complex product than simply Firefox by itself I've never had a problem. I also use Noscript to simplify the webpages I browse, which as others have also noted, helps greatly.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.