The Microsoft Windows Domain Name System 2000, 2003 Management Pack for Operations Manager 2007 has been has been updated to include an OpsMgr07 specific MP Guide http://www.microsoft.com/downloads/details.aspx?FamilyID=633b718f-5fe8-47d5-a395-8203f8ec354f&DisplayLang=en

The version of the MP itself has not changed.