Speaking strictly in terms of visual appeal, which case do you prefer?
CM Storm Enforcer:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811119240&Tpk=storm%20enforcer
NZXT Phantom 410:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811146085
Fractal Design Define R4 window:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811352021
CM Storm Enforcer:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811119240&Tpk=storm%20enforcer
NZXT Phantom 410:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811146085
Fractal Design Define R4 window:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811352021