Since 2021, I’ve used a Thinkpad x220 as my main computer, which runs a free Libreboot bios and Artix GNU/Linux.
I bought mine used on eBay for $100, reconditioned it with free software, and added a fully-encrypted 1TB SSD.
I’ve used similar Thinkpad models over the past few years, but the x220 hits a sweet spot for me.
My desktop environment