First, I'm excited that Nissan is bringing the full Monty Patrol back to the US for the first time in a long time.
As an aside, the US Y62 Armada and QX are nice, and have the same engine, transfer case, and transmission, but the front (Aluminum R180) and rear (steel R230, which I'm okay with) are both smaller than the Y62 Patrol. Along with the smaller differentials, you get smaller axles/CV's, and from memory, the front knuckle/spindle is different. That said, the US based Y62 is still a heck of a value, and with a swap to the Titan's M210 front axle, and some decent shocks and springs, you can have a lot of fun in it.
Back to the Y63 though, I am really excited to see Nissan & Nissan USA bringing the full package (differentials, locking rear) to the US! No, the IRS in the rear will not articulate like a solid axle, but you can still get plenty of travel, and with the same global spec now for both Aus, the Middle East, and the US, I'm hopeful that we'll see some mid or long travel rear pieces (there are aftermarket rear arms for the Y62 but they're stock length, just more stout than the factory pieces when doing a GVWR upgrade in Australia (and guessing they are used in other markets).
@hawkQTR - thank you for sharing those pictures as I hadn't seen those in any of the US or Australian pages I follow. Can you share a link to the group or forum where that discussion is going on?
On the one hand I'm glad to see some stout protection (wheel blockers on the F150, Tundra, etc. make a huge difference in small overlap crashes). On the flip side, the Y62 could accommodate 35's with almost no trimming if you got the offset right, and people here in the US threw on 37's without too much work. So, I hope there is a way to fit a 35, or ideally, 37, onto the Y63 without cutting those bars entirely.