I’ve just added an update-site to install Translation View into your Workbench. All you need to do is to add 2 update-sites:

• E4 M6 Update-Site: http://download.eclipse.org/e4/sdk/drops/S-4.0M6-201005231612/repository
• Translator Update-Site: http://svn.codespot.com/a/eclipselabs.org/eclipse-translator-view/trunk/releng/at.bestsolution.translate.updatesite/

After having successfully installed you should see a new category in your Eclipse Workbench:

And if opened it will show up like this: