MOSS2007 B2TR可以下载了（PLEASE READ THE DOCUMENTATION BEFORE APPLYING THESE PATCHES!）：

SHAREPOINT SERVER x86 EN-US : http://www.microsoft.com/downloads/details.aspx?FamilyID=0b6bd175-e700-44b8-ab47-e4459250d16d&DisplayLang=en

SHAREPOINT SERVER x64 EN-US : http://www.microsoft.com/downloads/details.aspx?FamilyID=8d002d01-b9a8-4a44-b1c5-f90225f8003e&DisplayLang=en

WSS 3.0 x86 EN-US : http://www.microsoft.com/downloads/details.aspx?FamilyID=e1e51280-71f0-4d60-b2b9-3c49df916bc2&DisplayLang=en

WSS 3.0 x64 EN-US : http://www.microsoft.com/downloads/details.aspx?FamilyID=b2df1f84-17ba-4a8b-8a0a-ad2bda947979&DisplayLang=en

FORMS SERVER:  x86 EN-US : http://www.microsoft.com/downloads/details.aspx?FamilyID=587a3ae9-d416-4815-b5b1-a039f54a2c78&DisplayLang=en

FORMS SERVER:  x64 EN-US : http://www.microsoft.com/downloads/details.aspx?FamilyID=ede4be82-a000-44e9-909c-a9a9604d3e74&DisplayLang=en

相关的安装指南：

         Amanda Murphy: MOSS 2007 Beta 2 to B2TR Patching Procedure (with screenshots) and WSS 3.0 Beta 2 to B2TR Patching Procedure (with screenshots)

         Steve Smith (SharePoint MVP): MOSS 2007 B2+B2TR Slipstream Clean Installation Procedure (with screenshots)

         Dustin Miller (SharePoint MVP): MOSS 2007 B2+B2TR Slipstream Clean Installation Procedure (screencast)

         Joris Poelmans (SharePoint MVP): WSS 3.0 B2+B2TR Slipstream Clean Installation Procedure (with screenshots)

B2TR的SDK:

1）Windows SharePoint Services 3.0 SDK (online version: http://msdn2.microsoft.com/en-us/library/ms441339.aspx)

    New/updated sections include:

         § Solutions schemas

         § Forms

         § Web Services Nodes re-architected, legacy content updated

         § Content Types and Columns conceptual nodes extensively updated

         § Feature schema reference topics added for Content Types, Content Type Binding, and Workflow

         § Document Parser node added, including reference topics for the document parser API

         § IRM node extensively updated/expanded, including reference topics for the revised IRM API

         § XML Parser node added

         § And much more!

 2）Microsoft Office SharePoint Server 2007 SDK (online version: http://msdn2.microsoft.com/en-us/library/ms550992.aspx)

    New/updated sections include:

         § Business Data Catalog - object model

         § Business Data Catalog - warnings and error messages

         § Metadata Model and “How to” topics

         § Custom Caching Overview: 4 new topics dedicated to caching in MOSS. The “How to: Extend Caching by Using the VaryByCustom Event Handler” topic has also been revised and expanded

         § Web Content Management (WCM) “How to” topics, including “How To: Create a Minimal Master Page” and “How to: Customize Page Editing Toolbar Components”

         § ~370 member topics in the Microsoft.SharePoint.Publishing.* namespace

         § Field Controls and Control Templates

         § And much more!