When jacking the body off, I lifted from near both middle (sill) mounts on each side. This allowed me to fit blocks to 2 mounts at once, either front and sill front, or rear and sill rear.
Remember to spread the load with wood blocks against the floor <img src="/forums/images/graemlins/wink.gif" alt="" />

Long a$$ 2000 Sporty, auto, 5.38 gears, TF front locker, 4"+ front lift (Kings +40 springs, 50mm spacers, 1.5" diff drop), TJ 104 rears 3" + 50mm coil spacers, 1.5" body lift, 31/10.5r15's on 15x8 Kings (ET-13), WARN manuals, Smart Bar, spotties