Rui CarmoIceRocket has begun embedding random one-line text ads in their RSS feeds, which makes them nigh on useless for keeping track of any sort of topic.
Another example of a perfectly good service ruined by RSS advertising...
In the meantime, I think I've figured out why Safari is packing up on me: It seems to have something to do with the RSS viewer, for I can't seem to resume normal surfing if I click on an RSS feed with broken images - it seems to get hung up somehow...