It's a matter of taste but after I spent some time onsite where all the chairs were aeron
https://www.hermanmiller.com/en_gb/products/seating/office-c...
I went home and blew the money on one. Still going strong 10 years later.
There are a lot of halfbaked knockoffs that get the best part wrong, the woven seat that keeps your important parts at a comfortable temperature.
One other thing is a usb keyboard, these don't live long when you are mashing them all day every day. I eventually ended up with a mechanical switch one which felt poseurish but it is going to take years to break.