97 to a 06 is going to be a big job. The mechanical part will be fine, but the electrical I fear will be a nightmare. Check Ebay and some salvage yards for parts. Getting everything to mate up electrically will be a challenge. Best of luck oh yea and welcome to the addiction...I mean forum.
2000 Sahara, 3.5" Rubicon Express Lift, 1" spring spacer & 1" Body Lift, 33" or 35" BFG Mud tires, Front & Rear ARB, Rancho 9000 shocks, UCF Ultra High Belly Up