Mozilla has now released Firefox 4 RC1 with a New Look
This release includes the some features of opera e.g. Design of the user interface, Firefox 4 offers several new features (release notes) including an integrated sync manager, improved methods for tab-switching and organization for tab-heavy users. Firefox 4 RC includes an updated interface for all platforms that’s sleeker and easier to use. New Tab Location, Switch to Tab. Firefox Button, App Tabs
Below are the some New Improved Features.
New Tab Location
Tabs are given top visual priority for more efficient and intuitive browsing.
STAY IN SYNC
Synchronize your settings, passwords, bookmarks, history, open tabs and other customizations across multiple devices so you can take Firefox with you wherever you go.
ORGANIZE YOUR TABS
Reclaim your browser from tab clutter! Drag and drop your tabs into manageable groups that you can organize, name and arrange in a fun and visual way.
MANAGE YOUR ADD-ONS
An easier way to manage your add-ons and discover new options for personalizing your browsing.
Get the beta by going to Firefox.com/m/ on your phone’s default browser.