I have the Rancho's with the in cab adjustments only because I carry a very heavy slide-in at times. Unless your load varies considerably, I would go with the Bilsteins for ride and quality. The workmanship of my Ranchos was terrible. Two shocks had dents, paint was poor, one in cab pressure gauge had to be reassembled, and the compressor had to be reassembled. No problems sense.
I've heard that the warrantee is pretty poor on the Rancho's. In fact, I heard that they will only honor it with the in cab adjustments as there is a special rubber gasket which replaces the standard gasket. This keeps the internals from rusting.
With the Bilsteins on my car, I had to purchase new shocks from the Bilstein warehouse on my credit card. When they received my old ones (without any questions), they then credited my card for the same amount.