Article Marketing is good when you are using it effectively and using quality and unique content for submission. It is an effective strategy when used properly for fetching high quality backlinks.
Article Marketing is a great way to drive traffic on the targeted URL.
For more benefit you should post an article in only one Article Directory.
According the latest google panda update they are focusing on now new fresh content for particular website. So article marketing is best way to gain traffic and rank for website. Through article marketing we can create natural backlink also.