Aside from all the spelling errors that made my eyes bleed, I have the following:
Maybe get a bit more specific on the extra reroll for psychic stuff (maybe out and out say that a BS 0 model that rolls a witchfire power may reroll until they get a non-witchfire power)
I'm fine with the skyshield and fortress being out of the game, but requiring the exact GW model for the other fortifications is kinda lame, when you take into account that anyone can take a fortification, but that an imperial fort does not look good with a DE army. Maybe change that to "comparably sized to the GW model" and actually enforce it.