Granted, Windows 7 will still be Windows 7. So, moving from Windows 7 Beta to Windows 7 RC will not fundamentally change your operating system. Still, the whole point of Beta testing is to identify problems and gather user feedback to incorporate changes...
While Microsoft has maintained that UAC (User Account Control) is not a security control, and that the behavior of UAC in Windows 7 is by design in response to the feedback and negative publicity that UAC has received in Windows Vista, they have now announced...
That darn UAC function just can't stand to not be the center of attention. It has been one of the most talked about features of Windows Vista - good, bad, or indifferent as your point of view might be- and now it has more or less dominated the discussion...