I updated my trailer to 12in Kodiak hyd disc brakes from 12 in elec drum brakes and my only regret is I didn't do it sooner
I have a 28cf Cruiser fifth wheel. My cost was under $1100. I did the labor myself. Do a search. My pictures and story is on RV.net and Crossroadsrv.com forum. Was it worth it? Yes, all it takes is one time not being able to stop.
Chuck and Cindy
2002 Dodge 2500/Cummins
Reese 15000#
CF28BH Cruiser picked up 12-22-03
hyd/disk brakes installed 12/07