Opera version 9 is the letest version.It is one of the best implementation. It have several features and advantage over other Web browser.This gives it some different browsing features such as page zoom, a multi-document interface browsing environment and mouse gestures. For its small footprint it boasts an impressive feature set, with great support for HTML, XML, WML, CSS , JavaScript, DOM and Java.

BitTorrent

You does not need to a separate BitTorrent application to download large files. Simply click a torrent link and start the download file or anything you want.

Add your favorite search engines

Right-click on the site's search field and select "Create search" from the menu.

Improved rich text editing

Use advanced text editing features for today's most popular Web applications.

Theme Manager

Users can change the look and feel of Firefox Web bowser.

Remove ads or images: It is up to you. Right-click (CTRL-click on the Mac) on the Web page and choose "Block content".

Transfer manager

View download progress and access all your downloads from one simple transfer manager window.

Password manager

The password manager remembers your usernames and passwords so you will not have to.

Pop-up blocking

Opera lets you control whether to block all pop-ups, or open only the ones that you have requested.

Full-screen mode

The "F11" key toggles Opera's projection mode, using the whole screen for browsing and, if a projection style sheet is present, displays 'slides' suitable for presentation.

Surf the Web easier and faster by opening multiple Web pages within the same application window.