Entity Framework Beta 2 and Entity Framework Tools CTP (both compatible with Orcas Beta 2 release) are finally out.

Release notes and download instructions are available at ADO.NET team' blog:

http://blogs.msdn.com/adonet/archive/2007/08/27/entity-framework-beta-2-the-1st-entity-framework-tools-ctp-released.aspx

Enjoy.