If you're wanting something similar to SteamOS right now that has much wider hardware support for your gaming handhelds like the Lenovo Legion Go, ASUS ROG Ally, GPD, Ayaneo or even your laptop / desktop then Bazzite is likely one of the best choices.
Yes, with one caveat: it isn’t going to work like a lot of other distros when it comes to installing packages. If you need help, use the uBlue forums.
Otherwise, it’s great, and very stable.