IKEA's 300 Euro "Volmar" got top marks in a german consumer magazine's tests a couple of months ago, for what it's worth. I think they limited the entries to around 300 Euro in cost, though. Lifting weights on the regular as well as riding my bike/running are indispensable for my back health too..
I used to buy cheaper sub 300 dollars chair and I got tired of replacing them every couple of years because the padding wore out, I have an Aeron now, They're more money, but they hold up really well and are really comfortable. And seeing as my Aeron is now 10 years old and going strong with no need to replace soon, it has…