I've actually been running an article submission service for almost 5 years. Been checking out my competition and have decided to go with
[affiliate link]
http://www.articlemarketer.com/?a_aid=c6438141
You can take a free test drive.
--I like the price.
--I like that once my article is submitted, if they add new banks, they'll send them my article if it's appropriate for the new bank.
--I like that it's easy to use.
--I like that I can schedule my articles to go out when I want.
Well, I liked it enough that I'm collaborating with the owner.