leave the hubs unlocked when DD.it will save wear and tear on your front end parts.with the hubs unlocked your front drive train is not turning.
lock the hubs when you hit the trail,use the t-case and lockers when needed.
You guys think it's worth switching to locking hubs? It seems like a great idea if you're going to DD the thing to save on gas and wear and tear but how much of a difference is it really?