Aweber RSS Blaster
Aweber is awesome. They have this feature in which you can automatically send out emails to your list when you update your blog through rss. woohoo!
The setup is a breeze just login to you aweber account and click on the messages tab , and then on the Blog Broadcast link.
Put in your sites rss feed.
Choose your template. ( you can use the blank template and make your own too ).
Edit the message.
Set the send time.
Set how often you send it out. Either automagically when specified number of entries is posted to the rss feed or a predetermined time / date.
Check if you want clicks enabled.
And syndicate if wanted.
Away you go. Now when you post to your blog or site, and your rss feed is updated, off goes email to your list. 
Great news.
