Best RACK AND PINION set-up for Early A?

I wonder if the rave about rack & pinion in BMW's in the 1980's was over-rated. My 1985 M-B 300D has a Pitman-arm box in its W123 chassis, which was considered to have very good handling in its day. It has IRS, which probably contributes a lot to keeping the rear-end stuck on turns. More important is that everything is tight in the steering, with minimal play. Mopars were over-assisted. Rick Ehrenberg wrote an article on how to lower max pressure in a Saginaw pump (~1973+ Mopars?) to give more road-feel.