Firefox 3 is available in more than 45 languages as a public preview release intended for developer testing and community feedback. It includes new features as well as dramatic improvements to performance, memory usage and speed.
Windows aiming for their baby Explorer 8 next year , but Firefox already got the features and is a lot more stable and secure than Microsoft Explore
For those who still using Explorer, try Firefox 3, you will be amazed by the speed and secure browsing on the web.
There are some nice new features like: quickly add bookmarks from the location bar with a single click; a second click lets you file and tag them.
Tags: associate keywords with your bookmarks to sort them by topic.
Location bar & auto-complete: type the title or tag of a page in the location bar to quickly find the site you were looking for in your history; favicons, bookmark, and tag indicators help you see where results are coming from.
Smart Places Folder: quickly access your recently bookmarked and tagged pages, as well as your more frequently visited pages with the new smart places folder on your bookmark toolbar.
Bookmarks and History Organizer: advanced search of your history and bookmarks with multiple views and smart folders to store your frequent searches.
Web-based protocol handlers: web applications, such as your favorite webmail provider, can now be used instead of desktop applications for handling mailto: links from other sites. Similar support is available for other protocols (Web applications will have to first enable this by registering as handlers with Firefox).
Easy to use Download Actions: a new Applications preferences pane provides a better UI for configuring handlers for various file types and protocol schemes. For your FF3 and more info click here.