Poll: What levels are your domain controllers?

Windows Server 2008 R2 has been out for a while, and along with a new OS comes a new functional level of Active Directory. What functional level are you at for your AD infrastructure?

Windows Server 2008 R2 has been out for a while, and along with a new operating system comes a new functional level of Active Directory. For your Active Directory infrastructure, what functional level are you at now?