Newegg has this Antec Mid-Tower Gaming Computer Case for $59.99. Use this $30 mail-in rebate
and the price drops to $29.99. The case features three external 5.25" bays, two internal 3.5" drive bays, one external 2.5" bay, one internal 2.5" bay, seven expansion slots, two USB 2.0 ports, three 120mm fans, one 140mm fan, accommodation for ATX, microATX, and mini-ITX motherboards. The same case sells for $103.08 at Walmart
. Shipping is free.