I don't recall anyone trumpeting a springpack as a "miracle cure" or indicating that this is the first/only/trail-blazing option out there.
There's no guessing necessary - you're free to market your version as you wish in whatever venue you feel is cost-effective! I could really care less what was available when, and from whom as long as the product works.
I simply said the results are awesome for a couple c-notes, and I bought from a vendor that has always provided me with great advice and top notch levels of customer service. I've gotten some great info from this forum, and wanted to pass it on.
Anyone who has modified a truck's (ANY make or model with rear leaf springs) suspension knows the benefits of replacing the overload spring. However, the improvement of stock w/overload vs. added springpack was
exponentially more obvious on the Tundra than any other I've driven/owned/etc which is the cause for my excitement.
Furthermore, there are many Tundra owners that don't necessarily want to modify their trucks, but are very unhappy with the ride quality. So yes, for some, this concept of enhanced ride may be something new.
I don't take people's knowledge and experience for granted. People need to know something is out there in order to buy it and enjoy the benefits...