I've used the following sites http://goarticles.com/ http://www.ideamarketers.com/ http://www.squidoo.com/ http://www.amazines.com/ http://articles.pubarticles.com/ http://www.sooperarticles.com/ http://www.123articleonline.com/ http://www.articlefield.com/ http://www.article-biz.com/ http://www.articlesbase.com/ http://www.articlerich.com/ http://articledashboard.com/ They are really effective. You should check your articles after 1-2 days of posting on sites. Good luck!
Some good Article sites are:- http://members.ezinearticles.com/ http://www.sooperarticles.com/ http://articlesupport.com/wp-login.php http://www.zimbio.com/ http://www.articlesbase.com/ http://www.articleblast.com/
thebestarticles.com/ articlescribble.com/ articlesgala.com/ ghewgle.com/ ezinepost.com/ selfgrowth.com/ bestarticlepost.com/ billoarticles.com/ approvearticle.com/ tourist-place.com abnormalmedicalconditions.com/ largearticle.com/ sarticles.in/ lucrativearticles.com/ gearexpectations.com/
http://members.ezinearticles.com/ http://www.goarticles.com/ http://www.amazines.com http://www.articlecity.com http://www.articlepile.com/ http://www.articlerich.com/ http://www.earticlesonline.com/ http://www.smasharticles.com/ http://www.articlenext.com/ http://www.nextarticles.com/ http://www.freearticlesandcontent.com/ http://www.electrictext.com/ http://www.articletrunk.com http://articlestars.com/ http://www.articlealley.com http://www.articleheaven.com/ http://www.financealley.com/ http://www.a1articles.com http://www.articlesbase.com/ http://www.articlemotron.com/ http://www.articlecell.com/ http://www.4rum.info/ http://www.990m.com/ Hope this list will help you...