Just for the fun, I played with 3DVIA PS and I printscreened one of my demos, the opengl-fur-shaded torus:

and here the Fur.exe_Wed_Jun_27_13-45-12_2007.3dxml generated by 3DVIA printscreen and loaded in 3DVIA XML reader:

I know this opengl demo is a hard test for this kind of soft but at least 3DVIA has exported the geometry

You might have to install MSXML 4.0 Service Pack 2 (Microsoft XML Core Services) before install the 3D XML viewer. Here is a working link at microsoft (the link given by the XML viewer installer doesn't point to the download...):
LINK:
http://www.microsoft.com/downloads/details.aspx?FamilyID=3144b72b-b4f2-46da-b4b6-c5d7485f2b42&displaylang=en