That's true about being in the middle of nowhere. I carry a jump pack in the runner just in case I'm stranded. The two I listed above seem to be pretty decent, and have a good amount of power. Plus made in USA is generlly better.
There are no more USA based manufacturing plants. Period. The most they do is press the lead/mold the cases.
One funny thing I've found with a lot of these boards and enthusiasts is that they completely forget about the battery... until it dies on them. Then they get pissy and blame the battery! >_<
The battery is the second most important part of your vehicle(tires being the first), if you cannot justify spending 100+ ish on a new battery but you can spend 1000+ on new tires, then you're missing something.
If your battery has bad voltage/reserve capacity, chances are you bought a cheap-o and you'll be noticing terrible mileage and hard starts. Also making your alternator/starter work even harder for little to no reason. It's amazing the issues that can be attributed to bad batteries and grounds!
Anyways, just my rant...
The majority of 24F series batteries(don't skimp for a 35 series unless you are seriously stuck for space) will average around 700CCA, this is more than enough for the 4runners. What you want to find is a higher R/C(reserver capacity) rating, preferably into the 120 minute mark. Usually these higher rated batteries also come with the bonus of a better warranty to boot! R/C determines the length of time a battery can supply voltage until they are considered "stone dead". Higher capacity requires thicker plates, and thicker separators, which leads to a more durable, longer life battery.
Also, purchase a good quality, fully automatic charger as well. If you're parked for more than a month it's a good idea to top up your battery(12-14 hour charge).
Anyways, just some advice from someone with too many years in this(battery) industry.
I won't speak about specific brands, but JCI is the foremost battery manufacturer in the world. Here in Canada, Battery Direct and Interstate deal in their batteries(they are literally the same thing just different colors) and come with some of the best warranties in the business(Battery Direct offers a 5 year free replacement, as does Lordco's ACDelco line).
Odyssey batteries will out-perform AND out-last Optima batteries nearly every single time, fyi.
If you have any questions feel free to ask!