The vacation was not specifically about 4WD, but I made lots of unpaved miles along the trip, I needed a locker, and was even stuck once (well, because I was tired and sleepy). One trail, in Arches National Park, was not very easy.

I completed the trip report:

http://www.olegmoskalenko.com/vacation2010/

Oleg
Axiom 4WD 2004: OME shocks, 32" BFG Mudders, RockSliderz, OME929+2" spacers, Stinkyfab bent RE rear links, front ARB locker, rear No-Slip locker, DOR front axle lowering kit, custom middle section skid plate, IronMan torsion bars.
Deceased Rodeo'02 4WD.