As of 2006-08-25
Here is a collection of Wordpress Plugins that use FeedBurner in some way shape or form.
- FeedBurner Awareness
This lest you access FeedBurner statistics - Feedburner Wordpress Widget
This allows you put Feedburner subscription links into your WordPress sidebar and arrange it with the rest of your widgets. - Google Analytics and Feedburner Reports
This is a very handy tool but you need a Google Analytics account for the Google reports.