Just offering this as we've used it at the shop and it works in terms of pacing and the general feel of the setting.  Some of the rationales behind the math are in the first couple of pages.  And then we noted the results of a couple of turns to show how it played out in one scenario.

We've only touched Imperial and Chaos so far.  But I have converted the Terminus Est, as well, since I'm a Nurgle fanboy and the model just looks so spiffy.

In case someone wants it.  If not, no big