As promised to those that attended last night's TechNet Monthly in Mississauga, you can download the PowerPoint slides for the event here.
For more information on Identity Management on Windows Server 2003 R2, visit the Identity Management web page on the main Microsoft web site at http://www.microsoft.com/windowsserver2003/r2/Identity_Management/default.mspx.
From a developer point of view, there are also a good number of resources on the MSDN blogs. A search of ADFS on the MSDN blog site, yielded a good number of results which you can get at http://search.msdn.microsoft.com/search/default.aspx?__VIEWSTATE=&query=ADFS&siteid=0&tab=3.
The main TechNet page on ADFS is located at http://technet2.microsoft.com/WindowsServer/en/Library/050392bc-c8f5-48b3-b30e-bf310399ff5d1033.mspx.
Finally, to find out how Microsoft's own IT department makes use of ADFS, go to http://www.microsoft.com/technet/itsolutions/msit/valuecard/msadfs.mspx.