A Tasteful Case?

[Squink]

I know this is a vague question and it's all in the eye of the beholder - I'm considering a new PC but have no idea where to start when it comes to getting a case. The computer is going to be sitting in my office and I want the case to be high quality (so I don't mind spending a couple of hundred quid, but probably no more), but also to look like it's a decent product. That probably means no in-your-face RGB.

Can anyone recommend a product (ideally mid-sized and ideally with no upper cooling vents) that will house a full-sized GPU, and suitable AIO cooling for a decent CPU? I'd like the case to look like a quality item rather than a fashion statement of lights (not that I have anything against RGB or snazzy PC setups).

Suggestions appreciated.

EDIT - I'm not massively keen on side windows either.

 

[Squink]

Thanks - I do quite like the Phanteks one and it does looks stylish without being overstated. I have owned a couple of Be Quiet cases and you have reminded me they have both been good. In fact, one is in the loft unused, but I'll be getting someone to build my PC so won't be able to re-use it.