Today the team released the first version of the SQL Server Data Tools – Power Tools, which adds the ability to navigate the schema of your project inside the SQL Server Object Explorer.

Blog post detailing the release: http://blogs.msdn.com/b/ssdt/archive/2012/04/02/first-release-of-ssdt-power-tools.aspx

SSDT Power Tools installation location: http://visualstudiogallery.msdn.microsoft.com/9b0228c6-15d1-44de-9279-66dde12bf861?SRC=Featured

Please check it out,
@DataDude