FeedDemon Pro w/ Google Reader as the backend. Missing features: - Mothball feeds I'm not reading lately but might want to pick back up in the future. - Topica

FeedDemon Pro w/ Google Reader as the backend. Missing features: - Mothball feeds I'm not reading lately but might want to pick back up in the future. - Topical aggregation of feeds/posts. - De-duping. Not sure if I'd pay extra or switch readers for any of those features, however.