Firefox 2 has been released with improvements and new features.
Tabbed browsing has been improved.
There is helpful spell checking.
Search is easier to use.
It is easier to take advantage of Web feeds.
Firefox 2 has identity theft protection.
You can find out more about the features here
Firefox web browser | Features: Faster, more secure, & customizable
You should be able to also download it there or from
Firefox web browser | Faster, more secure, & customizable