Rated 4 out of 5 stars
I've used Sage for years, lately v1.4.6. This morning I was offered 1.4.7, took it, found my feeds missing, rearranged, and strangely configured.
I reverted to 1.4.6 and, fortunately everything was the way it should be again. I'm using Firefox v3.6.10. Sage is my all-time favorite and I hope it won't go the way of Gmail Manager.
Rating is for 1.4.6