Amd vs. Goodmark

I was told by an bodyman friend of mine that the Goodmark die stamped partial quarter panels are designed to fit over top of the existing quarters on the car. Pretty funky approach in my opinion. I think they would be good enough for patches.
The AMD panels are designed to fit like an N.O.S. panel, you cut everything out and then it goes on like the original. I was told that there is a few tweaks involved, but they are pretty good overall.
If you are really worried about it, buy N.O.S. panels or good rust free originals.
I guess it all comes down to what you can afford and what your expectations for the resto are......