I switched to Linux for about a month, then went back to Windows lol, started with Bazzite, which, to be fair worked pretty well from the start, installing and running games can be a bit of a pain depending on the game though, you have to check protondb and see what settings people use to run their games, assuming the game runs in the first place lol. Still, all the games I tried ran without issues once I found the right settings.
Pretty surprising too, Bazzite has a bunch of emulators ready to go on its official store, if it wasn't for the issues I ran into (which might be pretty niche lol), I'd recommend it to anyone who wants a gaming PC without Windows.
The problem I ran into though, was that my drawing tablet doesn't work, a Huion Kamvas Pro 13, Linux detects it, but it detects it as a generic screen with some touch capabilities, this means:
Can't calibrate it
Can't tell it to limit itself to the tablet screen, so the stylus movement is all weird, slide a tiny bit and congrats, now you're on a different monitor lol
Can't use the tablet buttons
Can't remap tablet or pen buttons
Pressure sensitivity can't be adjusted
The official Huion Linux drivers didn't work, neither did Open Tablet Driver, even tried different distros, Pop Os, Mint, nothing lol.
Had the same issue with my amp, it was detected as a generic IO device lol.
Then at some point one of my drives stopped working, disk manager said it was an empty partition lol, plugged it into another PC and all the data was still there, it's just Linux on my PC that refused to read it lol, it was even formatted to Ext4.
So yeah, back to Windows it is.
I have Pop Os on my old PC, which is a media PC now, and that one works fine, my dad has Mint on his system and it works well too, for basic use.
The thing is, if you actually want to use your PC for other stuff, then Linux can be a pain, also, it's not really an OS to use, as much as it's a tech project where, depending on what you want to do, you might want to have a spare couple of hours/days just to try and get whatever you're trying to do running.
Overall yeah, if I had the money to get a new gaming PC, I'd use Linux on it, keep Windows on this one for work and other stuff.
Dual booting isn't an option either since apparently Windows updates can break it, meaning you'd have to install Linux again whenever an update breaks it lol.