Rated 5 out of 5 stars

It would be cool if you could add an option to enable previews for the selected tab too. that would be usefull to read the full pagetitle if it is too long and you have no captionbar because of this addon:
https://addons.mozilla.org/de/firefox/addon/13505

This review is for a previous version of the add-on (1.2.1).