If you like us rely on FeedBurner for your RSS requirements then you will no doubt have experienced issues with the service since Google started it's backend migration. Right now there seems to be some issue as Google switches to new ping servers. You may have experienced a delay between submitting your content and your posts appearing in your FeedBurner feeds. The new ping server URL is http://ping.feedburner.google.com - so if you want your readers to get your news like now then you need to update your Blogging CMS. http://www.readwriteweb.com/archives/feedburner_may_not_be_hearing.php
Hey this is cool news, thanks for sharing! Are there any good alternatives you've tried? ~ Firefighter, Broadens.com
That link isn't working. You can ping your feeds manually using Feedburner by accessing Feed Title and selecting Troubleshootize -- pinging feedburner James .
Generally, i'm happy with FeedBurner, but there has been some issues with the Google migration. I'd stick with them as they offer a pretty good service. Once the migration is complete, things should be back to normal.