It is true that if you put fresh content regularly in your website then you would get good benefit there is no doubt to it. But you have to write quality content which helps users resolve their problem.
Amazing rank, but please can you tell me which is this rank checker? Never saw it, please PM me the URL. And... let me congratulate you again... Of course Content is KING, because it helps you sell or at least make your website useful and interested for your visitors!
Yes, content is always KING. I use quality and unique content for Website as well as offsite promotions like (Article submissions, guest blogging, web2.0, wiki etc.) and I get advantage always.