今天的信息很多，微软多款产品发布测试版 Office Server 2010 下载地址

Microsoft Expression Blend Preview for .NET 4

http://www.microsoft.com/downloads/details.aspx?FamilyID=6806e466-dd25-482b-a9b3-3f93d2599699&displaylang=en

Microsoft Silverlight 4 Tools for Visual Studio 2010 Beta 2

http://www.microsoft.com/downloads/details.aspx?FamilyID=9fa8afe9-cad6-4090-a7f6-7d9cdc560e2d&displaylang=en

Silverlight 4: Install WCF RIA Services Preview for Visual Studio 2010 Beta

Silverlight 4 beta 汇总在这个地址：

http://www.silverlight.net/getstarted/silverlight-4-beta/

Office 2010 Beta 在上一页

SharePoint Server 2010 Beta
Office Web Apps Beta
SharePoint Designer 2010 Beta (64-bit) (32-bit)
Visio 2010 Beta (64-bit) (32-bit)
Project Server 2010 Beta
Project Professional 2010 Beta (64-bit) (32-bit)
FAST Search Server for SharePoint 2010 Beta
Office Pro Plus 2010 Beta