I recently got the skyjacker system with the 4 leaf springs, 4 shocks, and accessories for around $950 at 4 wheel parts, did not have to pay shipping since the store was near by.
They botched up my order three times but that is an other story.
I got skyjacker for their reputation in these archives and they do have a great customer relationship.
Otherwise my vote is for bj's based on their commitment to our fsjs. them is good people. Very kind and knowledgable and dont forget those dozer bumpers man!!
Now that my lift is installed I wonder if one would notice much difference between each kit?
Even Skyjacker can be quite bouncy if not installed right, so many variables, I am still trying to get mine worked out.
1989 Grand Wagoneer, 3:31 - MSD 6A - TFI upgrade - blaster coil - K&N Air filter - Optima yellow top - 8.5mm plug wires - Skyjacker 4" lift system with hydro shocks - tadrack - Removable Grant mahogony steering wheel - Bridgestone Dueller revo 31x10.5x15 - Wood paneling in cargo area.