Microsoft has released VHD image of Microsoft SQL Server 2008 Community Technology Preview (November 2007)
SQL Server 2008, the next release of Microsoft SQL Server, will provide a comprehensive data platform that is more secure, reliable, manageable and scalable for your mission critical applications, while enabling developers to create new applications that can store and consume any type of data on any device, and enabling all your users to make informed decisions with relevant insights.Microsoft SQL Server 2008 CTP (November 2007) VHD