Article submission plays an important role in off page seo. It can drive more and more traffic for your website and you can also gain some links to your site from other people (though it’s usually a slower process). Here are some usefull and high pagerank article site list
Some another article site.
articledashboard.com
goarticles.com
articlesbase.com (uses no-follow attribute)
articlesnatch.com (uses no-follow attribute)
articlealley.com (uses no-follow attribute)
knol.google.com (uses no-follow attribute sometimes)
ezinemark.com
articlecity.com
articleclick.com
ideamarketers.com
isnare.com
goarticles.com
articlesbase.com (uses no-follow attribute)
articlesnatch.com (uses no-follow attribute)
articlealley.com (uses no-follow attribute)
knol.google.com (uses no-follow attribute sometimes)
ezinemark.com
articlecity.com
articleclick.com
ideamarketers.com
isnare.com