This is just an observation. Maybe it is good to know, maybe not.
In many models, especially those in the DLA tilesets and in tilesets done by Lord of Worms, there are tiles with meshes that sometimes have several thousand faces or several hundred for the DLA tiles. This might be the case in other models, too.
The poly-count is not a problem, but all those faces have their material id set to 65536 instead of a lower number.
I work with Gmax and for a new face I create the material id is set to 1. Maybe 3dmax sets it to 65536 as a standard.
Since the material id isn't used except for walkmeshes it doesn't really matter what it is, but if it is 65536 instead of 1 for every face that is 4 extra bytes in file size per face.
Loading a few kb more is probably not an issue, but if you have huge haks with many models like that, their file size can be a lot bigger than it has to be.
So if you want to reduce models with many polygons in file size, set the material ids to 1. It probably won't have an impact on game performance and loading times, but it should make uploading haks faster.
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