Another of my infrequent threads in this forum.
http://niftools.sourceforge.net/forum/viewtopic.php?t=1320
People with more blender experience than I might be able to test if this makes blender capable of viable FF/FF3R exports or not.
Release Notes: uses PyFFI as a low level interface to process NIF files (PyFFI is a NifSkope-like file format parser written in Python)
This (among many other things) could be quite interesting...