A new VPC with Release Candidate 0 (RC0) code base of the Microsoft Dynamics CRM 4.0 is released.

https://mbs.microsoft.com/partnersource/products/mscrm/newsevents/news/CRM4VPCImageRC0Release

Note: The links will not be active on this page until Nov. 17th @12:00 Redmond Time
The VPC Contains:

Microsoft Dynamics CRM 4.0 (RC0) 
Microsoft Dynamics CRM Laptop and Desktop Client 
Microsoft Dynamics CRM SDK (C:\CRM Tools\SDK) 
Microsoft Windows Server 2003 R2 Enterprise Edition (SP2) 
Microsoft SQL Server 2005 
Internet Explorer 7 
Microsoft Office Professional 2007 
Microsoft Office SharePoint Server 2007 
Microsoft Visual Studio 2005 
POP3 E-Mail Services (No Exchange) 
 
See download page for minimum hardware requirements and installation instructions. 
The registration key for the Microsoft Dynamics CRM application will expire April 2008. The VPC image will expire on 11/30/2008.