This red and black high airflow PC case has plenty of water cooling support with a great look to it.http://www.newegg.com/Product/Product.aspx?Item=N82E16811119160
The cooler master High Air Flow series is a well known and well regarded series of cases.
It features 3 230mm massive fans and a 140mm fan
Another great case to look at, is the Corsair 760T. http://www.newegg.com/Product/Product.aspx?Item=N82E16811139034&cm_re=760t-_-11-139-034-_-Product
This case features all of the watercooling support you would need, along with great cooling, and a red and black look to it. It has 3 140mm installed.
Cooler Master offer the Storm Scout 2, which is a more of a reasonable case for an all in one cooler (such as the h100i). http://www.newegg.com/Product/Product.aspx?Item=N82E16811119263
It features 3 120mm fans with 2 red led fans in the front.
The Corsair 230t is also a more reasonable case that features the red LED fans and a black body. It can fit a cooler such as the h100i.http://www.newegg.com/Product/Product.aspx?Item=N82E16811139026&cm_re=corsair_230t-_-11-139-026-_-Product
When you say watercooling, do you mean custom loop of all in one/closed loop?
Also, you can get any black case, and get red LED's or refd LED fans. Corsair AF fans may interest you.