I recently bought a pair of Kershaws, a US-made Blur in S30V and a 'Gentleman's Folder' in VG-10 - made entirely in Japan. I knew what I was ordering - it's a svelt but sturdy lockback - and finely made - and will likely be my only VG-10 bladed example. Yep, it's sharp. I got it for half what I saw it in a store, too. It's about what my last knife bought, the Bass Pro CPM154 110, cost me last week at the store opening - after the $15 discount. The BP110 will see more carry, of course. As VG-10 is Japaneese made steel, and seemingly only available on knives made there, I doubt I will have another example. I had determined this some time back when discussing with a friend the merits of Swedish steel, as used in Falknivens, he stated. I informed him they were 'made in Japan' - and he was horrified. VG-10/Japan - a fact of life.
Well, S30V is a step up over 420HC, no doubt. It mainly seems so when comparing edge longevity. I don't know about the ultimate fineness of the edge - the 420HC is a hard act to follow there - and in the ease of sharpening. CPM154 seems to take a more laser/razor edge - I don't know how it is to sharpen, as my few such examples haven't been used enough yet. I am betting on S90V or 110, as a step up for this year.
From what they've told me, Starline Brass uses American brass. Also, Mike Dillon makes a dedicated point to use US-made components in his presses, perhaps why they cost a bit more (But they are worth it!).
Another brass component I employ - the large scale (G-scale) solid brass model train track. The original LGB, a German family-owned company that went belly-up last year and was bought by another German company, Marklin, insisted on German made virgin brass for their outdoor-rated track. That may change now to the same lower standard PRC-made track others use - simply for economy. LGB did drop their American market entirely - lost their American distributorship. Nothing new here in over a year, so if you find an LGB train set for Christmas, it's old stock - and may have to go back to Germany, should service be required. And I griped about the postal costs of returning a knife to ID... a 15 pound engine to Germany and back would be pricey! Sorry about the OT remarks, but my handle, Stainz, comes from LGB's loco/logo.
Stainz