I would say it depends on how redneck you are - don't be offended, I'd definitely go the redneck route.
If you're planning on a lift then you'd need to pour a pretty solid slab to install one since I wouldn't expect the trusses or posts to support that kind of weight. And if you're pouring...
I'll yield to others with more experience than me but those look pretty decent. Probably better than mine. Unless you're planning on going all dukes of hazzard with your 60, you're probably good not to replace that just yet.
When you are ready to reinforce it, trail tailor makes a nice kit...
I'm no expert on the different factory options but those look too good to be original. I'd bet they've been reupholstered at some point.
Were they vinyl originally? I'm not aware of that being an option.
Looks pretty rough but maybe you can use it:
https://kansascity.craigslist.org/cto/d/kearney-1977-fj40-toyota-landcruiser/7611130964.html
1977 FJ40 Toyota Landcruiser - $2,000 (Kearney)
1977 Toyota Landcruiser FJ40
cylinders: 6...
You have a fair bit of grime under there but that's probably protective. What we can see doesn't look too terrible.
You mention bubbles in the paint on the rear quarter panels. If you buy this, address that straight away. It looks quite good though.
After my last husky gave out I bought an echo timberwolf with 24" bar. That's been ~3 years and I've been very impressed with it so far. I've cut up some fairly big oaks and cottonwoods and lots of smaller cedars. The price to performance ratio was spot on for a chainsaw that gets a fair bit...