Debating picking up a 2019 27" iMac with a high end config at a cheap price. I kind of want to experience working with a true 2x desktop display and figure that its got at least 2 years left of OS updates. But then I look at the benchmarks vs a simple M1 mini…
@paul I really wish I could use my 2017 iMac as an external monitor
@bailorg @paul You can, with a few hours and a couple hundred bucks worth of parts.
https://mschmitt.org/blog/convert-5k-27-imac-external-display-usb-c/This is my EOL plan for my 2017 model, but I’m not there yet.

Convert a 5K iMac into an External Display
How to convert your 5K 27" iMac into an external display for other Apple laptops or desktops.
Michael Schmitt's Blog