I ran across this guy and posted his contact info earlier in the thread - I have my original to send to him at some point (when I can afford it !) - I could probably repair it, but this gentleman seems to have a good handle on how to fix them correctly:
"I wish had started reading posts at CRG years ago - it really goads me into looking for solutions that I have ignored for years upon years. Anyone ever use John @ www.endurabumper.com
? He has some really nice examples of his work on the site, and gave me a rough estimate of repairing my original (jack damaged) Endura bumper for my X77 - price starts around $375.00.
I had some delusions about being able to repair my own for years, even purchasing the aforementioned GM repair kit attached, but I would rather hand this over to a more experienced shop, hopefully like John's. If someone has past experience with this man, please post it."