Well that list above are all things I kinda class as "personal notifications", so I put all those into a folder - in kouio you can view a single folder at a time, or expand it and see the unread counts against each feed (pretty sure Google's worked that way too).

Then everything else goes into various folders, with a couple top-level main feeds that I don't put into a folder at all, here's a screenshot:

http://cl.ly/VNOJ