If Kirby makes a claim, then I would have no problem believing it. He's a bigtime shoe aficionado like all of us and an approved SF affiliate with a great reputation.
If you're talking about stock 975s, the edging is definitely Black.
There was a post within the past few days that showed a leydon and barrie chukka side by side, which will give you a good profile comparison.
Natty CXL does go great with jeans, and it is a very decent make-up, so its not a bad idea to get it.
On the other hand, don't burn yourself out by doing too much too fast. In the little over a year that I have been lurking/posting in this thread, I've seen more than a few folks go nuts buying everything they see only to sell a lot of them a few months later because they don't end up wearing some of them enough. Its never a bad idea to keep your powder dry so that you can blast off on something you really like that pops up later. For all you know, someone could unexpectedly get a restock of the whiskey LWB in 2 weeks.
Good luck with whatever you decide.
Keep it simple. Unlined 1494s