Amtrak rainbow era reskinning guide?

So I know Amtrak when they painted old coaches into their paint scheme they acquired alot of coaches from other railroads. is there any good passenger coaches from the DLS or other sources I could gather to reskin into Amtrak or have apart of the rainbow era?

I know there's Diecastgalore, austin316hockey, jamesmoody, magicland, who all have really good coaches

check under new releases on the erecting hall