And how long were you sitting in the Markus for?
It should make a difference for prolongued periods. But it just might not work for you.
I found that I'd like my Markus more if the arms were better padded and adjustable in height. I seem to have relatively long arms, since the arms of the chair are about an inch too high for me.
So I modded it with foam padding and gaffer tape on the arms (which has made the height issue worse, bah!) and I'm thinking of getting a wheelchair cushion for the seat (because they're obviously intended for prolonged periods of sitting). But then the lumbar support would be in the wrong place and that's not adjustable either.
It has been cheaper than the chairs I had before that were half the price and it's more comfortable after a couple of hours (I've slept in it, although that's suboptimal due to the arms and it requires additional neck support). I'd buy better if I could afford it, but it's quite good and has a genuinely high back rather than the "high" back of most cheaper chairs. I don't consider a back that ends beneath my shoulders to be a high back.