none of these consoles are "usable"

I'm pretty into emulation. It's very misleading to claim that "modern consoles are emulatable" when no, only nintendo has emulators you can boot up, pick from a very large list of compatible games, and have a consistent experience that any sane person would want out of these.

Sony disappears after PS3 and xbox... well I guess xemu is Fine, but you're going to play for an hour and then come to the conclusion that you're better off hooking up the old console

Xenia's usable these days. Worse than RPCS3, but usable