I follow around 200 feeds on Feedly. It is pretty much my sole source of business and personal interest news, because I can consume it all using a single app (Reeder) in a very effective way.
That's a ton of feeds. Don't you end up with thousands of unread articles every day? And how do you sift through all of them to find the most relevant / important news? When I open nytimes.com I see the top story right there on the front page. When I open Reeder, I see an enormous list of articles sorted in reverse chronological order.
I get around 1500 articles a day, yes, but following feeds doesn't mean you need to actually _read_ it all :)
I simply scan through the headlines. Typically business news is repetitive enough that you can get a good feel for how "hot" a topic is, and then I just read one or two pieces on it (usually from the "best" writers) and discard the other 50.
Even headline-only feeds are useful in that regard - they're just signal boosters.
On the other hand, I tend to read a fair number of personal/tech blog posts in their entirety - around 20 a day, over breakfast.
This is absolutely the best feature of RSS for me. Rather than have to open a browser, discover the quirks of its navigation and then page backwards and forwards through articles. RSS gives a sane way to skim through those things and focus on the interesting parts.
Plus keeping up with podcasts which tend to be published less often than articles.