Newegg offers the Fractal Design Define S ATX Window Computer Case, model no. FD-CA-DEF-S-BK-W, for $75.99 with free shipping. That's the lowest total price we could find by $14. It features three internal 3.5" drive bays, two internal 2.5" drive bays, seven expansion slots, and support for micro ATX / ATX / mini-ITX motherboards.

Also available is the Fractal Design Define S ATX Computer Case, model no. FD-CA-DEF-S-BK, for $69.99 with free shipping. That's the lowest total price we could find by $8. It features the same specifications as the above model, just without the windows.