We are proud to announce that Microsoft Dynamics NAV 2009 SP1 and Microsoft Dynamics NAV 5.0 SP1 Update 2 is compatible with Microsoft SQL server 2008 R2. You can find the official announcement under system requirements on both Customer Source and Partner Source. You will also be able find the information on Microsoft.com at the end of this week.
Furthermore we can also announce support of Microsoft Visual Studio 2010. For more information on our support of Microsoft Visual Studio 2010 you can find the announcement on the following blog