The Gen II is better in nearly every way. You get...

1. An exceptional Engine, light years beyond any prior with awesome power that will never need upgraded. ANd get better mpg.
2. An awesome 5spd Auto.
3. Solid differentials with enterchangable front axles.
4. Clocked drivetrain, flat pan belly.
5. Far superior approach angle and modifyable.
6. Deletion of tortion bars and 5" lift availability.
7. Stock locker with the WORLDS BEST traction control system.(Who needs a front locker)
8. Stock 32" tires.
9. Stronger EVERYTHING, and likely deletion of many Gen I design flaws such as brittle steering, front clip and motor mounts.
10. A RF stereo that will blow your mind with off-road appropriate controls and MP3/ CD system.
11. Well designed interior for off-road.
12. Overall one of the most confident, stock vehicles on the road.
13. Better crawl ratio and t/case gearing.

I could go on....Youll be shocked at the improvements.