Doh, had to correct a URL in my previous post
The Configuration Manager 2007 SDK link on http://www.microsoft.com/smserver/default.mspx is still pointing at an invalid address ... pinged customer services to let them know, but doubt i'm the first ;-)
Read the complete post at http://wmug.co.uk/blogs/r0b/archive/2008/06/29/configuration-manager-2007-sdk-v4-0-part-2.aspx