The Mk4 made up a lot of ground, but I agree they are a pricey option. Personally I was able to justify the price by the benefits of open source, if the company disappears tomorrow I’m confident the open source community could continue issuing firmware/slicer updates.
If open source is a big deal for you I would look into Prusa, they have a great track record and a lot of other companies are using forked versions of their slicer. I have a Prusa MK3s and absolutely love it. I had a self sourced RepRap before this and compared to that it absolutely “just works”. I bought the multi color add on and was expecting it to be very finicky, but other than some initial filament loading issues (have to make sure the end of the filament goes to a point) I absolutely love it.
Valve makes infinitely more money off of store fees selling other people’s games. Why would they want to make a fraction developing a single game when they can go after Android’s 30% cut?
Your concern is power consumption, but then want to use the same board as a server running it 24/7?
Reality is stranger than fiction https://www.communityphone.org/blogs/smart-landline-phone
I’m basically running this setup with Unraid as my hypervisor. It’s definitely doable, but takes a lot of tinkering to get everything up and running and games with super strict anti cheat won’t run at all. I would only recommend going this route if you really enjoy tinkering, I’d say finding a cheap second hand PC for your NAS is probably much less work.