Using EP Content Management for non-portal web apps?

We plan to use the EP Content Management Solution to allow many of our business users to develop and manage content on our internal portal. For non-portal applications that are used by people outside our company, we have a group preparing to evaluate 3rd party web content management (WCM) products (e.g FileNet's WCM). I'm wondering if the SAP EP Content Management solution would work for non-portal apps. Is anyone doing this? Is there any functionality loss or issues?

Thanks,

Bob