Well, I was trying to stick to suspension and steering, but since you've entered other areas, some more "nice to have" upgrades include:
Power windows, mirrors, locks, and antenna
Full console and instrument cluster
Rear sliding window
LED or H4 headlights w. a HD relay wiring harness
31" tires on Ravine or Turbine OEM wheels
93-98 ZJ quick ratio (12.7:1) steering gear box
Larger alternator and mains cables
Quality 3-core radiator AND
A stroker engine with all the bolt-ons
All these things and more are doable by most everyone with average skills. Just takes a little time and cash.