No, no substantial portion of the other model types ever got converted from the original site. (If you know the name of the model you can still search for it and download it from Fileplanet, of course.) They're all archived, but no-one's stepped up to do the conversion. A lot of it has to be done by hand, and there are a…
I had converted all the Quake 2 model pages from the original site to HTML and put them online on the previous Polycount site. They're currently all archived, and didn't make the conversion to the new software. They could go back up as-is, perhaps...