Sorry for the belated reply. Yeah, I saw Atommontage and it's quite interesting. Despite the realism of the track marks left and suspension movement, the truck still seems to exhibit some unnatural "floating" feeling. These are the very pitfalls of dealing with lower-res poly collision that I was speaking about. Kind of an uncanny barrier for movement.
I do feel that this author is a bit further along at something ship-able than the Euclideon folks are though.