OK, I'll share my 2 cents as a former XJ owner/wheeler and a current WJ owner/wheeler... Not a single piece of misinformation above, as far as I can tell.
*Aftermarket parts and general parts availability for XJs (given their loooooong production cycle) is much better than the WJ;
*WJ can have some serious electrical gremlins, although seemingly the bulk of them are simply ground issues, if you can find the offending ground;
*The WJ axles bring the suck if you plan to run something larger than 32's, again with the aftermarket thing, and also because the LP30 axles are goofy CVs as opposed to u-joints, unless you get seriously lucky;
*Lifting a WJ enough to fit something larger than 32's is expensive -- you've indicated a desire for longarms;
*Your main tech resource is here --

-- and while these fellas are the bomb, their WJ knowledge is justifiably limited;
All that being said, you indicated that you plan to have a DD/camper, not a rock crawler. You can pop 32's under you WJ with a $90 budget boost and do that. The ride quality of the coils all around will likely make you not crave longarms at that height, saving you some serious cheddar. They really are a comfy/cushy ride for a DD, though consistently getting better than 17mpg out of the 4.7L V8 in mixed driving is tough (the same is generally true for a 4.0 in an XJ, though, so that's kindof a wash). Lastly and perhaps most importantly -- a happy wife is a happy life.
With the WJ, though, you're going to run the risk that the highly contagious and common Jeep disease of
inchitis will creep up on you, and then your wallet will definitely get stretched. In my case, I traded my semi-built XJ for a stock WJ and enough cash to build it -- that allowed me to pick up a full Clayton kit, 4.5" springs, JK axles front and rear, and 34" rubber, without dipping into the old savings... While I sometimes miss the XJ, I'd do it again. The WJ wheeled like a champ this weekend, even without the rear locker functioning (I suck at all things automotive electrical...)