A shameless plug - I've built (recently) a simple yet powerful blog reader that could satisfy the needs of most people
https://lenns.io. Why - it solves three primary issues with "traditional" readers:
1) You can follow websites (based on blog-post titles) when there isn't a proper RSS feed.
2) You have control on how many results per feed to have listed (e.g. not having your whole feed overloaded with the posts of one source)
3) You can assign priorities to Sources and categories so that you have control what's on top of your feed.
... if someone here bothers to give it a try, I'd be happy to receive any feedback.
p.s. there's a full OPML import/export support.