Big news in deployment right now. Microsoft has release a hotfix rollup is for Windows 7 SP1 and Windows Server 2008 R2 SP1. So it’s kinda like Service Pack 1 and a half. There are 4 flavours 2008R2 Itanium/x64 and Windows 7 x86/x64.
You can get it from Microsoft Update Catalog by clicking the link here.
You can then add the updates to your basket and download them.
There’s a Microsoft KB article here. Article KB2775511
The updates are in a format suitable for importing into the Packages folder of your MDT deployment share.