Deploying Server Core in Windows Server 2008 R2? SCONFIG is your friend.
Jeff Woolsey over at the Virtualization Team Blog just made a post about a great new tool to assist with deploying Server Core in Windows Server 2008 R2.
SCONFIG actually came from the HVCONFIG tool from Hyper-V Server. With SCONFIG, you can join a machine to a domain, rename a machine, configure Windows Update, among other things.
Jump over to Jeff's post and check it out!