For its newsletter subscribers only, newegg offers the Rosewill Challenger Gaming ATX Mid Tower Computer Case for $49.99. Coupon code "EMCPGPC54" cuts it to $39.99. With free shipping, that's tied with our July mention and the lowest total price we could find by $5. It features seven expansion slots, five internal 3.5" bays, two external 3.5" bay, three 5.25" bays, two USB ports, and two 120mm fans. Deal ends March 9.