I did something like you describe on an E. I looked at several alternatives and and put a "kit" together with Firm Feel. It was a basic suspension kit (bushings, tie rod ends ect.), new 1" T bars, MP rear leafs, sway bars, shocks, tubular uppers and re-enforcment to my K frame and LCA's. It works great and was competitive.

On comment - if you want the rear to be up a little, the MP rear XHD springs are not for you. I didn't and they are fine. FF and others have spring options that raise the rear.