[dsraven]

dont forget to install a nice thick rubber suspension snubber so if/when you bottom out the snubber will take the brunt of it and not your neck/back. I like the urethane ones from the newer style vehicles. mine are from an S10 and are honeycomb shaped. if you look under a newer vehicle you will likely see the snubbers sit pretty close to their impact seats at ride height, like an inch from touching. they get "snubbed" more than we all realize. that is why the shape they have, it makes them progressive so they get harder to compress as they get more weight applied to them.
check google for info on 4 link geometry and how it affects traction, handling etc so you get it right the first time. remember that the link bars are usually adjustable so you can get the diff centered and the pinion angle correct
like said, keep the panhard bar level at ride height
level and block frame at ride height you like
center diff in wheel openings and at the correct pinion angle
tack weld some blocks so the diff stays where you need it
remove all the old stuff
install all the new stuff
remove the tacked in blocks
take pics and post as you go so the experts on here can help steer you right if you get off course a bit. or at least give advice that you can disregard as you see fit, haha