Really, just get whatever peripherals you like. Don’t expect to be able to do a lot of extra doodads since you won’t be running any extra software to enable advanced features, so just get something you like that’s comfortable.
I use the same keyboard and mouse I use with my primary computer: a Nuphy Air75 v2 keyboard and MX Master mouse.



Great article. I’ve used my Steam Deck as a very capable desktop PC. I do about 85% of my work on an iPad I take around with me, but whenever I bump into more friction than I’d like with it, I just pop over to Desktop mode on my Steam Deck.
Flatpaks seem the future for Linux as they simply abstract away the dependency hell that can get less knowledgeable users in big trouble. Having used macOS/OS X for many years, user agents as an alternative to system daemons are familiar to me, but I didn’t realize that SteamOS supported them; good to know!
I think that immutable operating systems are going to become more and more popular purely for the various security benefits that can come with them. Hopefully we continue to see the tools adapt to let us do more and more in user-space so we can get the benefits with few drawbacks.