NewEgg.com has the Sigma Unicorn UNICORN-ST Black 1.0 STEEL SECC ATX Mid Tower Computer Case for $100 - $25 rebate [Exp 12/1] = $75 with free shipping. Supports four 5.25-inch external drive bays, two 3.5-inch external drive bay, four 3.5-inch internal drive bays with an three 120 mm case fan mount.