I can't speak about the Mojave but I felt my Rubicon was "soft" on bumps to a fault. Changed the Fox shocks out and put Bilsteins in and it feels much better. More like a truck if that makes any sense.
Aired up from about 15 pounds to 35 pounds in all 4 tires in about 5 minutes. I was pleased with the result of that. I can't speak as to the longevity of the setup yet.
I have the compressor and 4 tire setup and it works well. The gauge on the manifold isn’t accurate and I’ll probably replace it with an analog one.