Windows 7 in a box
Windows7 in a Box was designed to guide users of windows 7 developed by Microsoft. The application brings together many Windows 7 settings into one place in an attempt to make it easier for users to find Windows 7 settings. It is a Desktop tool that lets you to change setting like Theme, Parental control etc.
Download @ http://www.big-daddy-design.com/windows7inabox.htm
Also check out the tips for optimizing Windows 7 @ collected internet