I second the Rubicon shock upgrade suggestion...if you go that route, make sure the shocks you get are from a 2-door/4-door (depending on the model you have)...i got 4-door shocks for my 2-door and it was better, but WAY stiffer. Swapped them for some 2-door Rubicon shocks and much better!
'08 JK "X" 6-speed
-1.75" Coil Spacers w/2.2 Shocks
-Warrior RockCrawler Front Bumper
-16x8 Cragar Soft 8's
-33" Hankook Dynapro MT's
-Teraflex Quick Disconnects