However, it’s worth noting that MailChimp will only send an email if your RSS has been updated the day before. If you make no updates to your blog for a full week, then no emails go out for a week. Some people think MailChimp sends emails every single day, no matter what.

All that being said, keep on the lookout for scheduling options in January 2009. In the meantime, I recommend setting up an rss-to-email campaign, and sending it to yourself to play with all the different options, like:

http://blog.mailchimp.com/new-rss-feature-most-recent-articles/

http://blog.mailchimp.com/add-google-translate-links-to-your-mailchimp-campaigns/

http://blog.mailchimp.com/adding-social-sharing-links-to-your-mailchimp-campaigns/