To change the behavior of the Shutdown-button in the Start-menu, go to Power Options in the Control Panel and click Change plan settings at the plan you want to modify. In the screen you now get click Change advanced power settings, expand Power buttons and lid -> Start menu power button and modify the value of Setting.
[attachment=0:jlwglkgq]AdvancedPowerOptions.jpg[/attachment:jlwglkgq]
Just works the same as in Vista!
