Deuskid, I'm pretty much in the same situation as you. I'm going to order the limited slip dif.
Like you, I'm not doing anything extreme, so I'm sure durability won't factor into the situation.
I'm a UPS driver, and I needed a LSD many times while delivering, but UPS is too cheap to put it into their delivery vehicles.
Trac lock is supposed to do pretty well, I have that feature on my Ram Hemi 4X4, but on it's best day it's still not LSD. It doesn't cost that much, I'll always have the confidence of knowing it's there, and might be able to recoup the investment when I eventually sell the Jeep. I have LSD in the Mustang, glad I do.
Be sure and order the 3.73 rear end!
I'm also getting power windows and locks, Manual tranny, Sat radio, Tow pkg, Side steps, 2 in lift, Hard top. How `bout you?