Which of these two has better internal airflow and ventilation, and also places for further additional fans (+sizes)?
Akasa Zen: http://www.scan.co.uk/Products/Produ...oductID=446040
Coolermaster Centurion 5: http://www.scan.co.uk/products/produ...oductID=156451
*I noticed that there are two versions of this case, one with a single horizontal vent and one with two vents (a duct on the other side of top vent).