I think Deutch Tech shocks are better than Ranchos.
I had 3 sets of RS9000s, including the remote air option, on my XJs and thought it was great until I tried Bilsteins and OME.
OME is the best riding shock for the money.
Bilstein Remote Resevoir shocks are the best I've experienced, but at $1000 for 4, they should be
-C