Just to mention.I test it with SVN version (dont remember correct number of revision) it looks good and then i test it with 1.2 it works but have holes in mesh (triangles disapeiring/reapiring like in JP post) do you have same problem? ?I also tried with my two other models it have same problem.Ill post screenshot if needed(dont have it with me right now).
Small FPS demo made using Irrlicht&NewtonDEMO
InfoHERE
Its at very early stage but i think im crazy enough to finish it all alone.