Everybody who has ever talked to a geek has heard of their web browser. The common favorite is Firefox, which recently got a facelift in their third version. It is a very good update, it is incredibly secure, completely customizable and still fast enough. You can download that version at the bottom of this post. The majority of the geeks will actually reccomend the browser called Opera, but thats just because their computers can run it. FirefoxPortable and Opera@USB are also a below.
Firefox 3.0 FirefoxPortable
Opera 9.5 Opera@USB