No worries on Buchla now...Foxtone bought out BEMI and vowed to bring the company back to the same ideas/principles that Don had, and thus far they appear to be making good on that.
As for communists...eh, I've actually entertained the idea of relocating to Hanoi. I have no problem with those politics as long as the government cares about the people and their culture, which Vietnam does. They're nowhere near as money-maniacal as the CCP has become, and actually toe more of a proper socialist line than China these days. Hanoi's new music scene is starting to percolate, too...it's kind of turning into a SE Asian take on Prague, with the leftover French colonial touches that the Vietnamese kept because, well, those were the neat parts.
And besides, if I were ever to do a modular company, that would be an awesome place for it. They know the tech, the government likes investment like that, there's a skilled labor pool that can do it, and the like.