Looking for easy visualization of machines with vulnerabilities?  Look no further than the "Visio Connector for MBSA" at http://www.microsoft.com/technet/security/tools/mbsavisio.mspx (I was made aware of this by my friend and colleague, John Kelbley, of Admin's Attic fame (http://www.adminattic.com).  Pretty cool...  Looking forward to the MBSA 2.0 version.