Doing a cab swap isn't that hard, you just have to be methodical and organized. Take notes and lots of pictures. There's really no "standard" way to do it. The more you strip off the exterior and out of the interior, the lighter it will be. I probably wouldn't just run a strap through the windows and lift it off that way, you risk buckling the roof. My preference is to stick a couple of 2x4s through between the cab and frame, have 3 other friends come help you lift it off. This only works if the tranny is already out, though.
Putting the newer one back on is trickier, getting everything to line up, you can't expect your buddies to hold it up in the air while you run around and line up the body mount holes. When I put mine back on last Fall, it had just been painted, so I really didn't want to scratch it, plus the engine was in already. I made a jig that had 4 pieces of threaded rod that went through the existing holes in the floor, with big washers, nuts, and some 2x lumber under the floor to spread out the load. Then I made a beam that tied it all together, which I hung from a piece of chain in a cherry picker. It was kinda scary having a very shiny freshly painted cab swinging from a single hook inside the cab, but it worked really well, 2 of us guided it back over the frame and slowly down. Once I got it just above the mounts, I was able to walk around and slide my 1" BL pucks and all the bolts back into the mounts. When all the mount bolts were installed, I dropped it the rest of the way down. Worked slick.
I have a butt-load of photos, I'll pick a few out and post them up later. Gotta get back to painting before it starts raining again.
