Microsoft just released the Transporter Suit for Lotus Domino.
Transporter Suite configures Directory and Free/Busy interoperability between Lotus Domino 6 or 7 and Exchange Server 2007 and Windows Server 2003 Active Directory and migration of users, mail and applications from Lotus Domino 5, 6 or 7 to Active Directory, Exchange Server 2007 and Windows SharePoint Services 3.0.
Some release notes were also released.
The Microsoft Transporter Suite for Lotus Domino Release Notes contains up to date information that is not included in the Transporter Help file. The Transporter Release Notes augments the Transporter Help.
The Exchange team were quick to post a blog entry.