http://www.antec.com/us/pro_en_performance1.php
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129025
Gunmetal black finish (not regular black like P180B)
changes over P180:
External fan control on the rear panel for the top and rear fans in the upper chamber
Rubber grommet ports on the rear for liquid-cooling tubes
Cable organizers behind motherboard tray minimize cable clutter
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129025
Gunmetal black finish (not regular black like P180B)
changes over P180:
External fan control on the rear panel for the top and rear fans in the upper chamber
Rubber grommet ports on the rear for liquid-cooling tubes
Cable organizers behind motherboard tray minimize cable clutter