Lets say you do have a top notch drywaller that will drop what he is doing, come out to the job site and do 4 linier feet of joints and mudding. It will take him or her time to get it perfect. In the real world, you will not get it perfert all the time. If the drywaller is that darn good, they will be be booked and only drop what they are doing if they owe you something. If they do owe you, I would hold the credit for something better.
I agree the best and only way to paint to the whole wall. This all costs way more the just taking the extra time to pop the old box out.
