354960 Website Redesign and SEO

I would like to redesign my website, with some updated content and better looks and SEO. Site Requirements: 1) Create a new, better design, improved google page rank and SEO 2) Need to have database capability for member log-in with id and password. 3) Need a membership system. Membership payment module- I am open to suggestions for the best, most cost-effective payment module gateway like Paypal? 4) Very user friendly and spider friendly to enhance SE results/rankings 5) Google sitemap 6) Meta descriptions, keywords, webpage title 7) CMS: It may be joomla or Drupal or CMSMadeSimple