Ok, I now know the reason for the vertex weights problem. The FBX import filters included in the A7 release were not the latest version. Sorry for that. You can download the newest FBX importers here:
http://server.conitec.net/down/fbxfiles2006.zip http://server.conitec.net/down/fbxfiles2005.zipPlease unzip them into your med_plugins folder. They will be included in the next version, 7.06.
