Sure. Provide a link to the original and I'll see what I can do (not to sure about the poly count though but I think its much lower than normally expected). Mind you. i've been meaning to have a go at that one myself at some point.
*quick edit. I've found the ship, so no need to provide a link.
*another quick edit. Scratch the need to convert it myself. if you download the zip of Armada2files.com then theres bothe a 3ds and ms3d files in the RAR.