repopped parts is an entire different thread, lol.. I get a lot of stuff rechromed and Im not sure if its lucky or not but the cars I really put my heart and soul into (70 coronets) there isnt much repopped, no fenders, 1/4s, hoods, bumpers, grills (soon, but I heard they are scary yucky and it will be a long time before they hit market), etc.
I will say this carpet has come a long way, as did off the shelf headliners, seat covers, wiring, and vinyl tops, also pg's rallye dash parts are nice (bezels, wood grain, knobs), and I have been surprised here and there in the past couple years by the quality of the repopped stuff..
Granted, you need to watch where you buy it ppg seat covers suck while legendaries are awesome, goodmarks metal seems as shitty as it was when it was first released and amd's is much better (but theres nothing like nos)....
As far as documentation goes, I don't hang much faith in any of it, and it doesnt effect what I think a car is worth, if it passes my look through, its real enough, check the numbers, check the date codes, check whats under the paint, if its a solid car, and the numbers match, dates are OK, I say its as real as the car with a picture of the guy buying it in 1970 holding a newspaper from the day he bought it. I would MUCH rather see a bunch of pictures of the resto progress and starting points than documents stating the guy who bought it kept it 22 years and sold it to his nephew who owned it for 13 years, who.... gives a ****, lol...
I see that bull **** as people have too much time on their hands, show me the pics of the car after it got dipped, and the 1/4's are still intact and doesnt look like a shark bit a piece out and you built it up with tigers hair and panel adhesive. I would much rather hear hollow lower quarters than solid ones full of plastic and a ton of history and stories about the car, Ill make my own history, starting with the rubber I leave out of your driveway...