welcome aboard Tom and congrats on the order! Are you completely sold on the air suspension? I have to say I've read some not so glorious things about them from the Jeep community (RAM system is about as close to identical as you can get) and a rew as well from HEMI RAM guys.
If its a comfort thing the stock coils should give you a comparatively smooth ride, nothing like the live axle rear shim sham they used to do a couple years back
If its a comfort thing the stock coils should give you a comparatively smooth ride, nothing like the live axle rear shim sham they used to do a couple years back