Up till now bloglines used to be the top RSS Reader but the AJAX driven Google Reader looks quite good. It is a nice RSS Reader and has split panel with RSS subscription on the left and articles on the right which is just similar to Bloglines. It has features you would truly appreciate. You have the freedom for setting the left panel for showing all or just updated subscriptions. There are a number of ways for marking things as read which includes scrolling or clicking on the article.

You can share marked items and tagging of an item shared enables you to show items to others in a number of ways. With the folder based navigation you can easily organize the subscriptions and the expanded view enables you to quickly scan over a number of items at the same time and with the shared icon you can you can easily publish your interesting item on the public sharing page so that your friends can see it. For using google reader click here.