Remember if you're a PC gamer, emulation is a great place to look for couch co-op since PC gaming seems to be rather averse to split screen unfortunately. There are a lot of extremely good split-screen games on PS2/Dolphin that will look and run significantly nicer on PC.

For people who use Linux full time, how is VR support on it? Is ALVR a viable alternative to Virtual Desktop/Link? And do VR games run well or at all through Proton?

All the Persona numbered games are pretty much completely self contained, so you can jump in to any of them in any order (except the 2 persona 2s iirc)

Ayn Odin! Love this little thing, currently playing through Pokemon Radical Red romhack (it's hard as hell but I'm getting through it). This little device is honestly a beast.