We upgraded from 5 to 6 a couple of years ago. It was worthwhile here, there's a big difference in 2.4ghz performance when devices fall off 5ghz due to intervening walls. OFDMA is also a big step up in usability.
Why not just use something like Synergy so you can control both machines from the mouse+kb at your desktop? Just enable the software when you need to and you can move the mouse off the edge of the screen and onto the other machine as if it were a second monitor. That's what I do with laptop + desktop setups. Get a small cheap Ethernet switch so you can plug both machines in.
New hardware from the last 1-2 years or you want to take advantage of new software features quickly? Use a rolling release distro like Arch or Fedora or one of their derivatives. EndeavourOS is a great place to start with Arch if you don't want to manually install things. On the Fedora side I've heard good things about Nobara and Bazzite.
ASUS machines have solidly good Linux support these days thanks to the asus-linux community effort. Any of their newer machines (~2021-2023) will fulfill your ask. I've had a good experience with the 2021 g15 and the 2022 X16 - I'm using the X16 as a work laptop right now.
Qanon is like a clown car of unhinged conspiracy theories. Every time you think "Wow, that's bananas, what kind of blood lead levels do these people have to fall for this?" they trot out something even more deranged/racist/fascist.
I feel seen and it's unpleasant