They don't do anything special that you can't achieve with an MSD for much less money. They always compare these things to old-as-dirt Mopar controllers vs actual modern competitors.

1967 Dodge Coronet Deluxe station wagon

1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s