Opera released today Opera 10.10 with more nice features and this tutorial will explain howto install opera 10.10 in ubuntu
Opera 10.10 main Features
Use applications to share content with others in a quick and easy way.
Boost your speed with our powerful servers to compress Web pages, so you get them faster.
Drag the handle underneath the tabs to reveal thumbnails of your open Web pages.
Customizable Speed Dial
Get easy access to your favorite sites every time you open a new tab. Choose the layout and the background you prefer.
Synchronize your Speed Dial, bookmarks, notes and other useful data.
You can check Opera 10.10 features from here
Install Opera 10.10 in Ubuntu
First you need to download .deb package from here
Once you have .deb package install using the following command
sudo dpkg -i opera_10.10.4742.gcc4.qt3_i386.deb