Updates and Hotfixes included in KUC
Windows7 x64
Windows7 x86
Windows Server 2008 R2
Windows Server 2008 R2 Server Core
Windows MultiPoint Server 2011
Windows Small Business Server 2011 ess.
Windows Home Server 2011
Windows Storage Server 2008 R2 ess.
Windows7 x86 embedded
Windows7 x64 embedded
Other lists
Visual Studio 2010/2011 hotfix list