Cooler Master H500 M if you are interesed about a very good airflow, and you will use an AIO water cooling solution.
Plus, you can use a mesh front panel/glass front pannel. It have both.
Or you can choose Lian Li PC 011 Dynamic, wich are more inclined for custom watercooling.
Both supports EATX motherboards.
If you will use a custom watercooling solutions, there are plenty good looking cases.