trooper is newer but you can't go wrong with antec too!it's hell of a case.insanely large and large number of fan mounts make it ideal for high air flow and liquid cooling.
trooper is good too and looks good to me.BTW NZXt phantom is very cheap ATM and it's a good case if you want to take a look- http://www.newegg.com/Product/Product.aspx?Item=N82E16811146067
3 days ago it was just $110!!!