Microsoft release a feature pack in Feb 2007 and there are a couple of downloads inside that is suitable for BI developers working on SQL Server Analysis Services and Reporting Services.
Microsoft SQL Server 2005 Reporting Services Add-in for Microsoft SharePoint Technologies
Microsoft SQL Server 2005 Reporting Services Add-in for SharePoint Technologies allows you to take advantage of SQL Server 2005 Service Pack 2 (SP2) report processing and management capabilities in SharePoint. The download provides a Report Viewer web part, web application pages, and support for using standard Windows SharePoint Services.
http://go.microsoft.com/fwlink/?LinkId=82753
Microsoft SQL Server 2005 Data Mining Add-ins for Microsoft Office 2007
Microsoft SQL Server 2005 Data Mining Add-ins for Microsoft Office 2007 allow you take advantage of SQL Server 2005 predictive analytics in Office Excel 2007 and Office Visio 2007. The download includes Table Analysis Tools for Excel, Data Mining Client for Excel, and Data Mining Templates for Visio.
http://go.microsoft.com/fwlink/?LinkId=82754
Data Mining Managed Plug-in Algorithm API for SQL Server 2005
The Managed Plug-in API is a Microsoft .NET object model that enables software developers to create plug-in data mining algorithms for SQL Server 2005 by using CLI-compliant languages, such as Visual C# 2.0. The object model is available as source code and it needs to be built on the developerâs computer. The package includes a step-by-step tutorial, a compiled HTML help file (.chm), as well as a sample plug-in algorithm developed in C#.
http://download.microsoft.com/download/2/7/c/27c60d49-6dbe-423e-9a9e-1c873f269484/DMMgdPlugInAPI.msi
Microsoft SQL Server 2005 Datamining Viewer Controls
The Data Mining Web Controls Library is a set of Microsoft Windows Forms controls that enable software developers to display data mining models created using Microsoft SQL Server 2005 Analysis Services in their client-side applications. The controls in this library display the patterns that are contained in Analysis Services mining models.
http://download.microsoft.com/download/2/7/c/27c60d49-6dbe-423e-9a9e-1c873f269484/SQLServer2005_OLAPDM.msi
Microsoft SQL Server 2005 Analysis Services 9.0 OLE DB Provider
The Analysis Services 9.0 OLE DB Provider is a COM component that software developers can use to create client-side applications that browse metadata and query data stored in Microsoft SQL Server 2005 Analysis Services. This provider implements both the OLE DB specification and the specificationâs extensions for online analytical processing (OLAP) and data mining.
http://download.microsoft.com/download/2/7/c/27c60d49-6dbe-423e-9a9e-1c873f269484/SQLServer2005_ASOLEDB9.msi