Hi,
System Time:
You can add the users group to the security setting: Change the system time (Security Settings\Local Policies\User Rights Assignment).
Install New Fonts:
1. Go to %SystemRoot%.
2. Right click the Fonts folder and give the users group both Read and Write Permission to this folder.
3. Run regedit.
4. Go to the key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Fonts.
5. Right-click Fonts, click Permission. Give users group Full Control to this key.
Share Local Folders:
You can use the utility Tweak UI to delegate the permission:
http://social.technet.microsoft.com/forums/en-US/winserversecurity/thread/8580b05d-0703-44fe-9957-f716667c3d9c
Thanks.