Ezine, articlesbase.com and article alley are the best. Ezine is little bit difficult and takes more time. Articlesbase.com is best and having same pr ranking.
you can use this site http://www.beansoftware.com/article-sites-master-list.aspx this site is very helpful and get much traffic
I read you say that ezine articles are really good quality, however, i have encountered some that had multiple grammar mistakes and the sentences didn't quite make sense. How did they pass the quality test?
Well Ezinearticle,Goarticle,Artilcebase these are good sites as I got result from all three of them.What about submitting to Squidoo? Can anyone tell his experience about that.