It depends on the needs of your organization and what you're using it for? Is it strictly web publishing? How about Ektron or epiServer as low cost considerations? Or Vignette or Documentum with more bells and whistles, portal and document management functionality? Do have to post in multiple languages? How about Day or The Level. Do you have a Java environment or .NET? Do you want social media? Does the search engine have to be strong? Personalization? Workflow? Our CMS Blueprint evaluation matrix weights and evaluates hundreds of criteria based on the organizations business needs -- those however have to be documented and detailed first. For more info see: http://www.prescientdigital.com/services/intranet%20services/cms-blueprint