Perishable Press have a very nice .htaccess hack to redirect your WordPress rss feeds to your feedburner feeds. Each time someone will click on a link to http://www.yourblog.com/feed, he'll be redirected to http://feeds.feedburner.com/yourblog.
Simply edit your .htaccess file, and paste the following. Don't forget to alwyas backup your .htaccess file before editing it!
That's all. After saving your .htaccess file, all your rss link will redirected to your feedburner feeds.
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