If you've got Active Directory, you need Group Policy. Group Policy has one goal: to make your administrative life easier. Instead of running around from machine to machine tweaking a setting here or installing some software there, you'll have ultimate control from on high.
Turns out that you're not alone in wanting more power for your desktops and servers. Managing user desktops (via Group Policy) was the top-ranked benefit of migrating to Active Directory according to 1,000 members who responded to a 2003 poll from www.TechTarget.com. You can find the study at http://tinyurl.com/47wrg.
Like Zeus himself, controlling the many aspects of the mortal world below, you will have the ability, via Group Policy, to dictate specific settings ...