Multiple Libraries for Video running at the same time on one PC

Hi Everyone -
I want to clarify this is for VIDEO files, not music for my 6 ATV's on the network.
Problem: I have well over 1000 VIDEOS in my iTunes Library, and I am wanting to have multiple libraries availible at the same time; not just whichever the computer has open.
We have several atv's on the network and I would like to take my video organization one step further; instead of scrolling forever in the atv menus for the video you want; I could make several libraries all availible at the same time.
Such as:
Kids Library
Workout Library
Parents Library
etc
This in turn would shrink the primary library and have less videos to sort by. I know how to create the Libraries, I just dont know how to have them all running at the same time.
Infastructure:
Windows 7 Ultimate with Drobo B800FS (16TB of storage) all connected to Cisco 3660 Gig switch with multiple atv's hardwired back.

iTunes can only open one library at a time. If you have multiple computers, or virtual machines, each could be serving a different library.
tt2

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