Remember way back when I wrote about Bloglines? I'm still using it. Oh, I tried Google Reader but I came back to Bloglines.
Recently, Bloglines has been offering a beta. It's all AJAX and overcomes one of the few complaints I'd had about Bloglines.
In the current Bloglines, when you click on a feed, it is loaded in the right frame and marks all the items read even if you haven't looked at them. Google Reader doesn't do that.
In the beta Bloglines, when you click on a feed, it is loaded in the right frame and the items are marked read when you look at them. Much nicer.
It's still a beta and some things are broken or flaky.