The state of FreeCAD after the 1.1 release is absolutely excellent!
EDIT: Just read your full question. Anyway, after your done with this project, I highly suggest the migration. I recently did it and am not looking back. I just exported all my Fusion designs as step files and can open them in FreeCAD, though not wothbthe full parametric history.
It was the same for me, but 1.1 made a huge leap in usability