*UPDATE*
I got my mustang back from the body shop a few days ago; been busy at work and didn't get a chance to post.
The body shop did an excellent job, Dub Richardson Auto Body in OKC. I told them my concerns...they explained everything very thoroughly...they even had recently worked on S197 Mustangs so I could see their work.
After they educated me on how they would handle the job, and taking into consideration the more understanding members that responded to my post, I didn't even feel the need to ask them to completely replace the right-rear quarter panel - they repaired the scratch and clear-coated the entire panel..
I don't have pictures, because I don't have a digital camera and was too lazy to go by other means, call BS if you'd like
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Thanks ago for those who helped!