This is the first time I've tried installing just the core, but it seems to make sense now.
It is an extremely quick way to get a box online and exposing RDP without the hassle of navigating a GUI.
To quickly get your hostname, networking, and RDP configured, simply run sysconfig.cmd
You may still use the GUI if you'd prefer. The new windows 8 interface plays well with the apple trackpad. I'll warn you though, this will take a while. In order to later install the GUI tools, you simply open up powershell and issue the following:
Finally you'll reboot.