20021001 Reality 1.56 STILL Gets you Genuine Sondius® Modeling:

Reality 1.56 is still the most affordable way to program authentic Sondius® physical models, as well as modal synthesis referred to in recent magazine articles. Example instrument designer’s station: PIII (600-800 MHz), Windows 98, Reality, and a S/PDIF output card. Cost: $<1000.