Looking for new website shell to be developed in an open source CMS. Open to suggestions on which tool (and why).<br/><br/>Needs to have three basic lines of business able to be setup along with general company information. In each area need to be able to setup specific product offerings/capabilities and so forth.<br/><br/>Would be nice to incorporate some tasteful flash intro's but not critical.<br/><br/>Must be template drive so that end users can add content over time.<br/><br/>SEO would be desirable.<br/><br/>Previous sites you've developed would be desirable to see the quality of your work.<br/>