From Country Truck to City Truck?

[LongBox]

The 69 GMC 910 I just bought, while it is totally original, including the paint, is a pretty bare bones truck, as if it was bought for farm duty, or maybe for hunting. It does not even have a cigarette lighter. Since my other vehicles (98 Silverado, 08 Mustang GT) have tons of bells and whistles, I'm thinking of making some changes,

I think putting in a lighter would let me use my GPS, and charge my phone. Is there a good place to buy the parts? I'd prefer to get NOS OEM bits. Hopefully, the wiring is already in place, but it's not a big deal to run a wire from the fuse block.

I wouldn't mind power steering. In fact, I really WANT power steering. The original 350 in my truck has a single groove pulley on the crank, and the alternator (externally regulated) is on the left side of the engine. Does anyone know if there are appropriate mounting spots on the block and/or heads to move the alternator over, and mount the PS pump? And from what year range can I find the appropriate parts if I search the yards?

And, it would be nice to factory AC, but then the SPID sticker in the glove box would be lying, right? Probably better to find a truck that already has factory AC...

And finally, disk brakes. But I have no power booster on the MC. If I go to disk brakes, I think you have to have power brakes, right? I hate that, because right now, the engine compartment on my truck is wide open. Changing plugs, or getting to the dizzy is super easy. So, are the drum brakes on these trucks ok? If it makes a difference, it has the six stud axles and hubs.

Any tips from those that have gone before would be greatly appreciated, and I thank you ahead of time.