Rule #1 - Be Patient - Rule #2 - Don't ask when, if you don't contribute - Rule #3 - You have coding skills - LinuxMCE's small brother is available: http://www.agocontrol.com
Yes, there is a wayIf you allready have a core make sure the network is connected to the new install and install in the normal fashion.It will tell you that there is allready a core and that the house only really needs one core and suggest you only install the MD part.(but you will need a core on the network though)
Typically, the MD will get its IP and boot image from the core, correct?