The Guts

 
bulletThe PC was removed from the case. The motherboard, power supply and drives were mounted to the walls inside the cabinet.
bulletThree sets of electrical outlets - 1 unswitched, 2 individually switched for power flexibility. (The switches for these outlets are on top of the cabinet.)
bulletThe Subwoofer is mounted to the inside with L-brackets and felt pads.
bulletAn arcade button mounted on the underside of the control panel acts as a power switch

These things rule, get a bunch in your local Home Center near the Nylon Ties:

They let you route your wires anywhere you want.