Feeds with no content suck
Please, everybody: If you're offering an RSS feed, show the actual info in its content section. I absolutely hate to not find the offered information in what you're actually reading. Hopping from your reader to your browser (or internal web view, of course) and back takes so much time and effort, it just sucks!
I know some of you must live by your writing, but there are enough feeds that actually have ads in it, so it's not more than a lame excuse. Especially if you're actually showing ads in your feed and leave away the info, yuck!