I only once used the fbx()2010, but I wasn't satisfied.
I used the (12.2005) version, it worked for my models with bones weight, that I built in Blender. In the earlier versions of A7 MED still has the fbx importers from 2005 and 2006.

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt