Newegg offers the Thermaltake Core X9 E-ATX Stackable Cube Chassis in Black, model no. CA-1D8-00F1WN-00, for $119.99. This $30 mail-in rebate drops it to $89.99. With free shipping, that's $10 under our mention from November and the lowest total price we could find by $30. It features four USB 3.0 ports, radiator support up to 540mm, an interchangeable window and I/O panel, eight expansion slots, space for up to a 7.8" PSU, and interchangeable hard drive cages that can fit up to 5.25" drives. Rebate expires January 3.