Fry's offers the Antec ISK-600 Mini ITX Tower Computer Case for $54. This $20 mail-in rebate cuts it to $34. With free shipping, that's the lowest total price we could find by $23. It supports Mini-ITX motherboards and features three internal 3.5" drive bays, two internal 2.5" drive bays, two expansion slots, a slim optical drive bay, a 120mm fan, and a USB 3.0 port. Deal ends July 31.