Microsoft SQL Server 2008 first Release Candidate available

Microsoft has just recently release the first release candidate version (RC) of the forth-coming SQL Server 2008 product. The release is named RC0 for Release Candidate 0. The release is available from Microsoft's Download Center.

A list of SQL Server 2008's new features can be found from the product’s overview page. This page would also answer your question about "What's new in SQL Server 2008?".