90% of my traffic is coming from ezinearticles.com Articlebase is also good, they accept duplicate content .. You need to make a good keyword research, and when your article come live to submit it to digg, mixx and etc.
These are the best top article ezinearticles.com, articlebase.com, articleclick.com which I have used...
I can get good results for highly targeted keywords with ezine articles (they are currently tightening up their quality guidelines for submissions: "http://blog.ezinearticles.com/2011/02/quality-matters.html". I also find that my articlesbase articles often rank quite well. As Vikokn has already mentioned, good keyword research is vital and submitting to social bookmarking sites can help your articles get more exposure. I can post a list of some of the top article directories with their page ranks if this would help.
Don't wander for top rated article submission site. I use ezinearticles.com and am happy. It send unique visitors to me in high volume.
Here are the below few sites which is popular article sites. EzineArticles Suite101 Helium ArticleDashboard ArticleBase GoArticles WebProNews SearchWarp Buzzle Isnare American Chronicle ArticleCity IdeaMarketers Site Reference Article Alley TheWhir Articles Factory SelfGrowth Amazines Article Snatch Please paste here if any suggestion or advices. - Jopsons
1. knol.google.com 2. ezinearticles.com 3. ehow.com 4. hubpages.com 5. squidoo.com 6. articlesbase.com 7. regulararticle.com 8. associatedcontent.com 9. examiner.com 10. suite101.com