Microsoft has added a new product category “Expression Web 3” to WSUS Products and Classifications dialog under product family “Expression”. The Expression Web 3 product category’ll include updates for Expression Web 3, including service packs, incremental and cumulative updates. Microsoft’ll also be releasing a service pack for Expression Web 3 in coming months. Expression Web 3 SP1 contains significant fixes and improvements in publishing, SuperPreview, file management, extensibility, and other areas of program.
More info: Microsoft Expression