http://www.google.com/reader/view/#trends-page
Now there are bicolored histograms.
Not so beautiful as before, but why not?

Hmmm....I think maybe they blend in more?

I still prefer the old ones.

I just noticed.

I like the new one because now I can know my reading trends better.

PS, The "Show Details" has updated too.

Confirmed http://googlereader.blogspot.com/2008/10/we-like-it-graphed.html