Gentlemen, I really appreciate the additional input. Bookmarked this thread for easy reference because this time tomorrow my forgetter will have kicked in!
In a perfect world a complete, late model crossmember swap would be my preference. But I imagine it involves pulling the engine, and probably the whole front clip just to get to the necessary nuts and bolts. I'm a one man show without an engine crane.
On the other hand, I could swap out spindles in a day and have her rolling again without any special tools.
Now if later model SPINDLES would swap out to my original A-frames/ball joints, THAT would be awesome and easy.