If you want to have some more vendor neutral information. You can take a look at the Federal Desktop Core Configuration (FDCC) initiative from the NIST. Only the have currently no guidance for windows 7. http://nvd.nist.gov/fdcc/index.cfm
An other good initiative that is worth to look at is the Common Configuration Enumeration (CCE) initiative. This CCE initiative helps you to asses system configuration issues. And yes, still no guidance for windows 7, but still some good tips are there to find http://cce.mitre.org/lists/cce_list.html
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