There is some elaboration needed.thanks for the reply - lots of good info here.
Most of the aftermarket leaf springs (excluding leaf packs meant for towing) will actually ride SOFTER than stock when unloaded or carrying a couple hundred pounds because there are more leaves than stock and the leaves at the beginning of the pack are “softer”. I have the icon springs on my Gen 1 and whereas the backend would hop around over big bumps with stock leaf springs, it now gives a feeling of sinking into the rear shocks. Likewise, geiser springs are progressive. Like the leaf springs I mentioned, there is less spring rate at the beginning of travel (by virtue of farther spaced coils) which gives a softer ride as there is more compression needed to engage more spring.