Remote Server Administration Tools for Windows® 7 enables IT administrators to manage roles and features that are installed on computers that are running Windows Server® 2008 R2, Windows Server® 2008, or Windows Server® 2003, from a remote computer that is running Windows 7.
Are you look to easy manage a Windows 2008 Core Server with the use of the Remote Server Administration Tools can be use to control and manage a core server with a GUI.
The best part of Server core is you do not load parts of the operating system that you do not need.
Server core roles include;
Active Directory Domain Services
DC, and a Read Only DC (great for security)
Active Directory Lightweight Directory Services
File and Print Server
IIS server (no support for ASP.net yet- Coming in Server 2008 R2)
Download the Remote Server Administration Tools