Lots of chatter about the usefulness and relevance of FeedBurner since the Google acquisition 1. Chris Baskind formalizes it by updating the reasons not to use Feedburner to cache your feeds.
On the flip side, I give FeedBurner kudos for their focus and going deep on single, specific, simple, offering.
1. Hopefully, conventional wisdom about being acquired by Google will soon/now be equated to completely shutting a service down. AppEngine, if anything, is a thin lifeline to a not-customers of acquired services.