Questions to long term H500 users

[lagista]

I am in the market to buy a new case, of which I've narrowed down to NZXT's H500 and Fractal Design's Meshify C. 

I'd like to ask people who have been using NZXT's H500 regarding airflow and dust. 

Negative air pressure builds dust in the case.

How fast does the dust buildup relative to your other cases experience? 
Is it an issue I should be worried about? 
How often do you clean the dust in your system?

 

For reference, I will be running Ryzen 5 2600, with Cryorig H7 and a GTX 1070ti Zotac. 

Also, white H500 users, have your case experienced any form of yellowing? 

 

Thanks!