I have been able to work with converting units from Dawn of War 2 (thanks to nick0515 for pointing it out); so if you think any of those units are needed, I can do some of the conversions. I'm not really familiar with the units in particular, so you may need to let me know what is what; or what is needed, I do see the list you have posted, so I could work off that as well.
Such as here is the avatar from eldars (or elders?

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Seems many of the unit meshes don't actually have anything to them (as the above avatar unit does have everything); and that it is required to 'clothe them' if you will with whatever objects they use. So it seems pretty easy to customize them with the tools available. The animations are plentiful also.
All in all, these seem as if they are very easy to do, and civ colors can be added; so I can start with any you may need.
EDIT: Almost any unit combination seems possible, and then I can just render in 3ds. Only thing is, I'm not familiar with what items go with what to make what units! The DoW2 Model Editor is really simple to 'create units' which can then be exported for 3ds to render, but the variables of pieces that can be put together are mind-boggling huge; seems almost anything is possible.
Do you have DoW2? It seems there is a demo available that I probably could have gotten instead, but oh well. I picked it up since from looking online it was very clear that conversions were definitely 100% possible.
If you have it, you could perhaps make the correct models (by attaching the right pieces; simple to do) and save them (in the DoW2 Model Editor) and send them to me, and I could render them and give them back to you. Or anyone could do this that knows the units better than me.
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As can be seen, you just pick the pieces to add to the model (like Missile Launcher Rare) and it puts them in, then you Save Set and the set can be sent to me. I can then render the model in 3ds and the unit is done. Pretty simple

I just threw the guy above together as an example, he probably isn't a real unit, wrong head, body and weapon.
Or if I can get pics to know what they look like, I could find the right pieces myself.. might be easier. I could probably google them.
I'll go ahead and do Avatar of Khaine as a test run. I believe he is pretty big, so I will make his size accordingly and add a bunch of fiery flame effects.
EDIT: (Let me know if you are even going to be using Eldars)