Do you need to create a GPO Mapped Drive for Windows 2008 R2?
NOTE: If you are still using Windows XP (SP3 is the Only Supported version from Microsoft) Desktops. You must install this patch via WSUS (Windows Update) in order for GPO Drive Mapping on a Windows 2008 R2 Domain to work: KB943729
Quick a dirty:
1. Create your AD
2. Create your GPO Groups in AD and make them simple and human readable please people...
3. Now the fun stuff...
5. Tweak to your needs!