well, here's a thought. If you've got a good frame under there with the global west rails, and it's solid, maybe consider just going with it as is instead of trying to improve. There is always more you can do to try to improve, but is it really needed? A car guy generally needs a car that rolls, so what's the best path back to getting the car moving again? I'm frequently stuck in this conundrum - maybe I'll keep her down another few months while I do all this other stuff... time as taught me that I like the car drivable. Now if you skip the frame improvement, you've got it on a beautiful lift, go thru and remove all the rust spots, clean the bottom, and I rattle-canned truckbed liner under there, and I really love how hard and protective that coating is on the bottom is now. Put the stuff back in and get her rolling.
A car in a constant state of improvement doesn't roll much. Do good work everywhere you are working, and maybe fight the urge to improve things everywhere. I sure have to. My car rolls again (5 yrs it was down for restore!) it's not perfect, but damn I love hitting the streets with it more than having all these other things I need to do before I can drive it again....