"When you first install and launch the beta of Firefox 3, the
initial impression (especially for those who remember some of the
earlier promises of a revamped user interface and increased Web 2.0
integration) can be a little disappointing, since it doesn't look
much different from the current version of Firefox.
"But then as you begin to use it you realize that what Firefox 3
lacks in bells and whistles has been made up for in increased
functionality and usability. To a certain degree, it almost seems
as if Mozilla listened to all the most common complaints and gripes
about its free open-source browser and decided to address them with
this new version..."