Nice find, welcome to the club!
Looks like it's got military-style 6TL batteries. I recall those are NOT maintainance-free, so you may want to grab a tester at an auto parts store and check them out before driving off.
Conventional wisdom applies - check the fluids, carry spare filters, etc. Maybe drive it down the road a bit and have the oil changed if you're paranoid about such things (I wasn't, but am now). Lubing up all the fittings is fairly easy and not a bad idea, especially if you can get under there yourself and have a look for leaks, cracks, etc. I'd go ahead and repack the wheel bearings with fresh grease if it's been sitting a while, cheap insurance.
I've been working my way through all the yearly tasks in the TM - up next is the rear diff, as I have no idea how long it's been since the gear oil in it was changed out.
My own experience picking up a CUCV was fun - drove back 700 miles from Austin, TX. The only problem I had was a blown headlight fuse. Rear u-joint developed some noise about 1000 miles after that, pulled it apart and the bearings were dust.