VCAC 6.0 Release coming soon
VCAC 6.0 is a new and innovative architecture, it is set to be released very soon (December 2013) and will allow VMware customers to have the ability to deploy IAAS, PAAS & XAAS (Anything as a service).
There are great new endpoints including Openstack Integration as well as leveraging NSX for networking isolation with multi machine blueprints straight from within VCAC. (No VCloud Director required).
See here for more information