Let’s say the PC doesn’t count and you aren’t taking into account backwards compatibility, emulation, online play, homebrew games, and the cost/availability of games.
I feel like I’d want to choose the PS3. Like the Xbox 360 it had a decent lifespan and a lot of games were produced for it. A lot of which are already some of my favorites.
The only things that would make hesitant are I feel like a lot of modern games are larger and have open worlds which I feel like that could be nice in the long run and many of my favorite games for the PS3 have been re-released.
Similarly I think people were installing Linux and Steam on their PS4s.
yeah psr could run it if you have an exploited console.
the only console to officially at some point allow for it was the PS3 though.
Alternatively, any xbox one/series is technically capable of running windows in the cloud so you could theoretically get a very expensive cloud pc running on it.