Before I start:
I cannot assist you or your team, I can however give the required model files for conversion and the source code of the game I have the idea from! (And maybe I can be project co-coordinator as I have very much experience with this game)

Ok so let's begin:
Dark Reign 2 is an old RTS game made by Pandemic Studios and published by Activision. It's real time strategy concept and full 3D engine made a big turn around in the RTS industry, the DR1 fans didn't expect such improvements.

Anyway I sometimes still play this game and I know it won't be the same in Red Alert 3 but... I give you, or your team, the idea to convert this game into RA3, IT will be a real blast-out!

anyway, this is how the game looks:



The source code of the game is here:
http://code.google.com/p/darkreign2/ 
Download of source:
http://code.google.com/p/darkreign2/downloads/list 
and the game:
http://code.google.com/p/darkreign2/source/browse/#svn%2Ffull_game  (~700 mb)
OR download the NANO version of the game (~30 mb):
http://gz.pxf24.pl/downloads/Dark%20Reign%202%20NanoLite%20Version.zip 

I was looking for someone to fix the MP in this game, but unfortunately nobody helps.
So I have proposed this idea to bring this game alive, into the RA3 engine.
if anyone can and/or will do that, let me know plz :D

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DR2 on wikipedia:
http://en.wikipedia.org/wiki/Dark_Reign_2