Cruising, Crawling, Desert / Sand Dunes, Exploration
I have built my 4Runner to more or less a "Jack of all trades, master of none"
I say this because it takes a tremendous amount of resources (both time and money) to take some of these categories to the extreme. At least for those who want to mod using off the shelf bolt-on parts. If there is any welding or fabrication is generally kept to a minimum. Beyond this, it takes custom fabricated builds.
Over the years I have come to the conclusion that while the 4Runner is an excellent platform, it does a lot and is versatile, but it will never be what I really wanted it to be, desert go-fast “trophy truck” or even a hard core crawler (SAS required). I like going fast, I like the desert, and no amount of money I throw into this thing is going to be fiscally feasible way to build what I want. I am literally better off buying a tube chassis car or long travel sports utility like a Can-Am XRS. Turn key and will hold better resale.
I had to keep my desert expectations within reason, and almost went long travel up front and considered fabricating in the rear with shock towers that move into the car, but I fell out of love with the idea after talking price with some shops. Not to mention to cost of the cage too.
These days I just put a cap on speed for the purpose of safety because most of us are not going to cage these trucks. You can have a lot of fun, but you cant have a street legal truck and expect to keep up with the real toys.
These days if I can get through a trip without breaking something or hurting myself, I call it good.