Quick Review For Attensa

Attensa Online is a free online rss reader. It is similar to Newsgator. I will just list what i like/dislike about attensa.
Good
It has a very clean interface.
Easy to use and responsive.
No Ads.

Bad
Does not have export feature for the feeds
When u add feed, it adds to the default category, in order to put it in the right category you have to switch to another window(Manage feeds).

Zdnet has a more complete review of Attensa.