At the SharePoint Conference today Microsoft announced that a slipstreamed version of Office 2013 and SharePoint Server 2013 with service pack 1 is releasing.
Available today for download from the Microsoft Volume Licensing site, IT Pros will be able to provide full installation versions of Microsoft's Office and SharePoint products with the integrated SP1 bits. This ensures an easy installation of Office 2013 with SP1 to new systems and provides the ability to install SharePoint 2013 with SP1 directly to Windows Server 2012R2. It also delivers IT Pros with the tools to create administrative installations and custom deployments.