ARB's are a good unit, but NOT entirely bombproof. The most comon problem i have seen on the trails is line failure. While this isn't a dificult repair, it sure is a major PITA when you need a locked frontend to get out of a situation. Wrangler peple have been breaking the D30 ARB's alot recently, but most of the time with 36'+ tires and lots of skinny pedal. In all likelyhood, you won't have any major trouble with your ARB, but if you do, it will suck. Also, if you ever decide to do a solid axle conversion, your are out a lot of money on the ARB. Jus my $.02, good luck to you