8 3/4 install?

I am currently assemblying a 8 3/4 rearend. I was wondering from those of that have installed a rearend at home on the garage floor, what is the easiest way to install it? Do you connect the leaf springs to the housing first then install or hang the leaf springs and insert the housing? It is a true A body housing with a 741 3.55 sure grip center section. This is my first install.