CMS-SEO revised

We are seeking a CMS that is SEO friendly. We want to generate pages, titles, page names, URL's based on keyword search terms. We want to be able to import the keyword lists. We would also like to be able to determine the keyword density of the text content portion of each page. We would like fields each of these various types of data and an eay to use interface. We want to see demo's of prior work before we will consider awarding you the project.