Current Version: 2.16
1) There's currently no way to tell which feed a given post is from looking at the content pane
2) The feed column shows the favicon for the feed, but favicons aren't unique. I don't see an option for using the feed title instead.
Add the "Location" column!
Aha! Thanks. For some reason it didn't occur to me that's what that was.
I'm not sure if this is intentional or not, but having Location be right-justified takes up a fair amount of horizontal space that can't be adjusted with the column width.
(Ok, I might be a little too obsessive about optimizing the layout).