Microsoft on TechNet made available an Update Center for Office makes it simple for customers to find the latest Service Pack, latest Public Update, latest Cumulative Update and general guidance for Office 2010.
According to Microsoft, "this page tracks all updates to all supported versions" of:
- Microsoft Office suites
- Office desktop programs (including Access, Excel, InfoPath, OneNote, Outlook, PowerPoint, Project, Publisher, SharePoint Designer, SharePoint Workspace, Visio, and Word)
- Office servers (including SharePoint Server, Forms Server, Groove Server, PerformancePoint Server, Project Portfolio Server, and Project Server)
- Office Web Apps
- Search Server
- SharePoint Foundation and Windows SharePoint Services
- FAST Search Server for SharePoint.
More Info: Update Center