Classic style never goes out of style, Positive case pressure keeps dust out, Fit and finish are exemplary, Black version available, Good cooling w/ low noise, Airflow concept can be scaled with stronger fans, Flexible HDD mounting options w/ two cages, Room to install oversized Video Cards (370mm!), Builtin support for 2.5" drives no adapters required, All HDDs and Fans have antivibrat
CPU cooler choices are limited, in two directions, Cable management aides are MIA, USB 3.0 connection scheme is inelegant, Rear vent cover can't be used with a fan
Performance in a PC gaming or enthusiast chassis is mostly about cooling, and the noise that usually occurs to achieve it. Features and appearance can both have an effect on performance, but in the end you have to be able to measure something in order...