I'm likely investing in a G2 Core 44 for my TJ this winter and I'm curious what the opinion is these days for lockers. I can save a few hundred bucks by getting a Detroit but I need to invest in on-board air anyway so the ARB is appealing as well. I know the big differences on-road between selectable and non selectable but I'm trying to understand how valuable selectable is on the trail. Interested in your feedback.