SQL Server 2005 Service Pack 2: Extending the Functionality of Your SQL Server 2005 System

Download SQL Server 2005 SP2

Download SQL Server 2005 Express Edition SP2

Download the Updated SQL Server 2005 Books Online
--> Well books online.

Download SQL Server 2005 Feature Pack (February 2007)
--> The Feature Pack is a collection of standalone install packages that provide additional value for SQL Server 2005. It includes: latest versions of redistributable components for SQL Server 2005, latest versions of add-on providers for SQL Server 2005, latest versions of backward compatibility components for SQL Server 2005

Download Updated Samples and Sample Databases
--> 100 over new samples for all SQL 2005 services (Database Engine, including administration, data access, Full-Text Search, Common Language Runtime (CLR) integration, Server Management Objects (SMO), Service Broker, XML, Analysis Services, Integration Services, Notification Services, Reporting Services, Replication

Download SQL Server 2005 Reporting Services Add-in for Microsoft SharePoint Technologies ---> this download allows you to run complete reporting functions within a SharePoint site. No need for report center site that is provided by SRS 2005 installation.
http://blogs.msdn.com/sharepoint/archive/2007/02/19/microsoft-sql-server-2005-sp2-reporting-services-integration-with-wss-3-0-and-moss-2007.aspx


Download SQL Server 2005 Data Mining Add-ins for Microsoft Office 2007
--> Provides Excel and Visio add-in for Data Mining and Table Analysis