Your tires and off-road driving skills are more valuable than locking differentials. Military vehicles don't have locking differentials, because they (the boys) don't like having extra stuff to break and fix. They don't get stuck, often, because they're taught how to drive (ask me how I know).
Having said that, I've personally taken my LX570, stock with street tires no less, into and out of places I was told by the Jeep driving public standing by I couldn't/shouldn't go near. Have no fear, the 200 is a very capable truck; just don't go off-road behind anything that's not a goat.
Totally agree with you on how Soldiers are taught to move cross country with heavy vehicles and usually don't get stuck. Driving skill is the most important traction device that exists.
But all military vehicles have locking differentials. HMMWVs have Torsen manual locking center diff, with automatic locking front and rear diffs. LMTVs, FMTVs, MRAPs, and MATVs all have selectable diff lockers these days.
So yes the 200 with crawl control and multi terrain select is awesome, but I found it's limit on my first outing. Limiting a wheels forward momentum, while trying to climb up a steep, loose rocky hill is tough. It will make it up, but it requires a lot more work than locking a diff.
Plus with diff lockers, you can take better lines, that keep the vehicle flatter, even if that means tall ledges.
But how I feel about everything, if you are going out, exploring, having a great time, and haven't said to yourself, "I wish I could get up this," then lockers are a waste of money.
200 still is one of the most capably vehicles off-road I've ever driven, and I have a rock buggy.