You can certainly find them over here--they come up on eB@/ at times, and they aren't all that pricey. I don't think the current iteration of the KGB will come to your house and kill you for having one
They ARE set up for European electrical standards.
They are pretty neat sets. CTT did at least one article on them; I don't know if OGR has or not.
Women largely ran the Soviet RRs during WWII; I know of at least one that became a Hero of the Soviet Union for her work, and they made a docudrama about her, sort of like Audie Murphy's To Hell and Back.