I've got 890's they ride really well, and paired with the tundra 5100's I get nice damping. No complaints. I've had it loaded down with ~200# and rode really well, and empty I get a nice firm ride (like a truck!) I don't think there's that much of a difference between the two. I'd probably bump up to the 891 if I go steel bumper and tire carrier, but that would be a bunch of weight off the back... I think it's being overthought here. Keep it simple.
