idea Rated 5 out of 5 stars
can you add "open all unread" buttom?This review is for a previous version of the add-on (1.4.13).
Feel free to add your idea to the Get Satisfaction community:
Sage ++ Rated 3 out of 5 stars
Firefox 5.6.7 user can use Sage ++(but need Add-on Compatibility Reporter):