extremetech.com brought us three horizontal test browser, which is a pity Firefox 2 and Internet Explorer 7 is the use of Beta version of the functions and may be different from the official version, but the results of the assessment or have some reference Significance.
Comparing the first three of the main functions of the browser 
Firefox 2 Beta 1
New features:
Built-in anti-phishing protection of the present and proposed search Google, Yahoo!, Answers.com search box to search the history of change along with tabbed browsing behavior can be re-opened the accident shut down the label to better support and subscribe to preview Web feed
On-line text box to add search plug-in spell-checking manager can remove or reorder the search engine's new micro-summary of the bookmark function of the browser automatically resume after the collapse of the expansion (extension) and the theme of the integration manager for the Add - On the new manager of the Windows installer, based on Nullsoft script installation of systems to support JavaScript 1.7
Client support for the process and the expansion of permanent storage format to expand the search plug-in system upgrades to enhance safety, easier to support the expansion of the localization of SVG text using svg: textPath
Firefox 2 Beta 1 (click to enlarge)
RSS function 
Add-on Manager - extended 
Add-on Manager - Theme 
Internet Explorer 7 Beta 3 (click to enlarge)
Tabbed browsing options 
Quick Tab 
RSS function 
Add-on Manager 
The new security features:
ActiveX choose to open the security status bar to prevent phishing filter to remove cross-border browser address bar history, the protection of international domain names to deceive the URL to deal with anti-security settings to restore Add-on disabled mode
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