Clothify obj is easy but simulation takes ages. You must only import obj, make new group and weld it (or select "weld body parts"). Another way all body parts drops separately.
Raven simulation is much more impressing IMO. I do not understand how did you do it Raven. Is it cloth simulation? (did not read carefully - poser physic - I must try it)

BTW clothing body parts can be used to make great morphs. I think NGM could be made with clothing.