Never had problems with it, i know every dde number ( 5.,6.0 etc) in my head, just as ihk/r , frm already have only 3 options so i dont bother using zusb, but if you want use numbers its your choice
Thrust me on this i do it for over two years and not a single problem doing it my way
And remember when update dde always update msd and ekp cause they are related