Like Txrdstr said, if you go with wheel spacers get quality spacers like Spidertrax. I ran these and never had any problems. I installed them with loctit and checked them every tire rotation (they never moved). Spidertrax will run about $200 bucks for 4, or you can get some steel wheels with 4.5 backspacing for about the same money.
Teraflex 2.5 coil lift, JKS Disconnects, Trektop NX
Rubicon Rock Rails, ACE Rock Sliders, MyGig Lockpick
Rugged Ridge Satin Black Wheels, Goodyear Duratrac 315/70/17