The suspension design of the Frontier and Xterra is only 4 years old, and is really no different than any other IFS design. All 3 of the suspension kits on the market are virtually identical, upper control arms, torsion bars, and a shackle/add-a-leaf/spring pack to raise the rear. It's the same for almost every IFS vehicle.

CALMINI claims quality.
I've seen every manufacturers parts side by side, and there is no comparison, but if the parts don't break, who cares.

SLR claims racing heritage. Big whoop, Steve Kramer has been racing desert trucks that long too.

It's all just advertising. Take it as you see it, do your own investigation and make an informed purchase.

My only real concern was the copyright infringement and the legal issues that could arise. That and the fact the site needs to work on Macs, and at resolutions above 800x600.