Two programs I highly recommend are these....
IE Privacy Keeper:
Nice prgram that can clear out history and other junk that sometimes even ccleaner can't touch.
http://www.browsertools.net/IE-Privacy-Keeper/
K-Meleon
Browser based off Geko. Has no offical release since Feb, 05, but you can get unofficale releases, that come out all the time. Very fast and customizable, and light weight. It also
has many fetures such as adblock, noscript, and the ability to disable java and popups.
Of course it is tabbed browsing t
http://kmeleon.sourceforge.net/
I will find some more later.