Firefox 4 Releasing Tomorrow. What's New?

The world’s most popular open source browser will be seen in a new avatar soon. It has been declared that the stable version of mozilla Firefox 4 will be released on 22^nd March 2011.

Main features of the latest version of firefox 4 include:
<ul>
[*]Advanced  synchronization makes your customized firefox portable across devices.
[*]Many new opitionsintab organizing and add-ons management
[*]Faster performance with JägerMonkey JavaScript engine which boosts up start-up time and page load speed .
[*]Exclusive HTML5 standards and support for WebM format so that you can watch high definition videos.
[*]Changes JavaScript values to C++ representation so that it can execute complex numeric code efficiently
[*]Multi touch support for Windows 7 and 3D graphics using WebGL
[*]Even faster startup with XPCOM module improvements
[*]Explore dynamic web pages with Web Console
[*]New CSS3 feature for better animations plus OpenType font feature to use beautiful fonts for designing
[*]Direct2D and Direct3D on Windows, XRender on Linux and OpenGL on Mac provide high quality graphics
[*]Jetpack SDK and js-ctypes make add-ons deveopement and use easier
[*]Support for multithreading through the use of Web Workers feature
[*]More features for customization.
[*]Other features include using SVG files as images, crash protection and stepped up security from hackers
</ul>
Although  this browser is packed with latest features, I feel that Google chrome is much faster and lighter. Though chrome doest offer so many features, I am concerned with the speed and not performance. Those who use add-ons extensively will probably find firefox better.