Today, aligned with the SharePoint Conference, we’re announcing availability of a slipstreamed SharePoint Server 2013 with SP1. SharePoint administrators will be able to use this updated installer to deploy on Windows Server 2012 R2. SharePoint Server 2013 Enterprise and Standard are available on the Volume License Service Center (VLSC) and MSDN. 

Additionally we have made available SP1 slipstreamed versions of the Office, Project and Visio product installers. They are available today on VLSC for IT Pros. Versions for MSDN will be released soon.