How do I get from my desk to the canteen on my wheelie chair? Navigating the professional setting... literally!
Ok ok joke over. That's a shopping recommendation question and if you aren't careful, there's a fair chance that'll diverge into a discussion - a huge one. Everyone has their favourite brand of chair, or thinks this, that and the other. I'm not saying we cannot allow it, since this site is subjective by nature; however, it might be worth adding to the question to detail exactly what constitutes a good answer. What you want, really, is not what the person brought but what to look for in a good chair. As an individual, you might even want to specify your build and any posture-related needs.
In short, you're trying to make the question detailed, because you want to invoke detailed, in depth responses. This is good subjective. Bad subjective is:
What chair should you buy?
Without any further clarification.
Regarding the general case - well, I suspect questions like office layouts are on topic, no? I could well ask: "is there any evidence that laying desks opposite of each other might reduce productivity?" and I think that might well work out ok.