I pretty much don't use any other rss reader anymore.  Between the stars, and the tags, I'm finding that Google Reader gets all my needs and - MOST of the time, is quick loading.

Things I would love to still see -

Searching WITHIN my feeds - the My Web functionality of Yahoo.  (I wonder if there is a way to combine them both - hmmm...)
Expanding tag and label functionality, easier way to tag.
Rate posts from within reader.

Other things I will think of later...